🕷️ Crawler Inspector

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Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 68 (from laksa163)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa068.int.ahrefs:8124/' \
  -H 'Content-Type: text/plain' \
  -H 'X-ClickHouse-Database: crawler3' \
  -H 'Authorization: Basic YXBpOg==' \
  -d 'SELECT getAhrefsURLFromUnparsed(src_unparsed) AS found_url, ifNull(toUnixTimestamp(download_stamp), 0) AS crawl_time, ifNull(toUnixTimestamp(props_url_first_seen), 0) AS first_indexed_time, download_http_code AS http_code, src_unparsed AS src_unparsed, src_root_hash AS src_root_hash, history_drop_reason AS history_drop_reason, meta_title AS meta_title, meta_descriptions AS meta_descriptions, attrs_boilerpipe_text AS attrs_boilerpipe_text, attrs_markdown AS attrs_markdown, attrs_readable_markdown AS attrs_readable_markdown, meta_canonical AS meta_canonical FROM crawler3.page_info_local FINAL PREWHERE (src_root_hash, src_unparsed) IN ((getAhrefsRootHashFromUnparsed(getAhrefsUnparsedNoserviceFromURL(\'https://www.sleepadvisor.org/weird-feeling-when-trying-to-fall-asleep/\')), getAhrefsUnparsedNoserviceFromURL(\'https://www.sleepadvisor.org/weird-feeling-when-trying-to-fall-asleep/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/www.sleepadvisor.org\/weird-feeling-when-trying-to-fall-asleep\/","crawl_time":1775515044,"first_indexed_time":1531306777,"http_code":200,"src_unparsed":"org,sleepadvisor!www,\/weird-feeling-when-trying-to-fall-asleep\/ s443","src_root_hash":"15108972807196806668","history_drop_reason":null,"meta_title":"Weird Sensations When Falling Asleep - Sleep Advisor","meta_descriptions":["Experiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind."],"attrs_boilerpipe_text":"Transparency Disclosure — We may receive a referral fee for products purchased through the links on our site…\nRead More\n.\nOur Research Process\nHere at Sleep Advisor, our editorial team utilizes reputable sources and expert feedback to provide well-researched sleep health content. For more details, read our full editorial policy.\nIn This Article\nExperiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind.\nWhen we go to bed, it’s easy to assume that we drift off to sleep and there’s a clear distinction between our conscious and unconscious states. However, the brain undergoes a shutdown process as we enter sleep mode, and if we have poor sleep hygiene, acute stress, or chemical imbalances, we could experience\nbrainwave dysregulation\n1\n. As a result, we might experience odd sensations at bedtime.\nWeird Feelings When Trying to Fall Asleep\nBreathing Difficulties\nDifficulty breathing when drifting off to sleep isn’t entirely uncommon, and one cause could be\ncentral sleep apnea\n. This occurs when the\nbrain doesn’t transmit\n2\nthe proper signals to the muscles that control your breathing. Sometimes, you may feel tightness in your chest, while other times it could feel as though you’re choking. It may seem like there’s something caught in the back of your throat or your mouth has become excessively dry.\nGet More Info:\n \nSleep-Related Breathing Disorders\nSinking, Dropping, or Falling\nFeeling like you’re sinking, dropping, or falling can be particularly startling. These sensations can jar you from the brink of sleep into being wide awake. Usually, you’ll be jolted awake by the sensation that you’re dropping off a cliff or that you’ve just had a fall and are about to experience a painful landing.\nThe term for this is “\nsleep myoclonus\n3\n” or “hypnic myoclonus,” and it occurs when your brain is shifting from one sleep phase to another. The physical jerks that happen as a result are referred to as “\nhypnagogic jerks\n,” and they most often appear during the light stage of sleep right as you’re drifting off.\nA Throbbing Headache\nHypnic headaches\n4\nare rare, and they are characterized by frequent headaches that only occur during sleep. They’re sometimes referred to as “alarm clock” headaches due to the fact they occur at night and jolt a sleeper awake. They can last anywhere from a few minutes to a few hours, and can significantly impair your ability to rest.\n4\nA Sense of Panic or Worry\nNocturnal panic attacks\n5\nor worry as you’re falling asleep often occur with no clear trigger, but they can awaken you suddenly. Similar to daytime panic attacks, you could experience a racing heartbeat, sweating, or hyperventilation.\nWhile they can be extremely uncomfortable and scary, they are typically not dangerous. The exact cause of nocturnal panic attacks is not known, but underlying factors such as genetics, anxiety, sleep disorders, or thyroid problems may contribute to them.\n5\nItchy Sensations\nWhen we fall asleep, our brain and body are in constant communication as “shutdown mode” ensues.\nItching during sleep\n6\nmay be due to an underlying dermatological disease, or it may be a symptom of\nparasomnia\n(sleep disorder). Few studies have been done about this issue, and while recordings have been made observing sleep fragmentation, skin injury, intermittent awakenings, scars, and keloid formation, the cause (and potential treatment) remains speculative.\n6\nBrain Zaps\nBrain zaps\n7\nare often described as a jolt or a “buzz in the head.” They may be experienced\nin conjunction with\n8\nvertigo, confusion, or even a crackle or “whooshing” sound.\nThey are often observed upon the discontinuation of antidepressants, so going off this type of medication is important to do under the guidance of a medical professional.\n7\nWhat Causes Weird Sensations When Falling Asleep?\nAnxiety\nHeart palpitations, sweating, trembling, and shortness of breath are all symptoms of\nan anxiety attack\n9\n. There are other signs as well, but these are a few of the most common. Naturally, if you’re in the throes of a panic attack while you’re going to bed, it’s going to keep you awake.\nEven if you’re not experiencing a full-on panic attack,\ngeneralized anxiety disorder\n10\ncan easily keep you awake, especially if you develop what is called “\nsleep anxiety\n11\n.” This is when somebody develops anxiety around bedtime, often a severe nervousness about going to sleep or a fear of not being able to go to sleep. \nLearn More:\n \nAnxiety and Sleep\nSleep Disorder\nYou may be experiencing a\nsleep disorder\nthat’s causing odd feelings to occur while you’re trying to fall asleep. For example, sleep apnea could cause shortness of breath.\n2 \nThe good news is that addressing the source of the sleep disorder could make these issues go away, so be sure to speak to your doctor if you feel you may have one.\nFind Out More:\n The Most Common \nSleep Disorders\nSleep Deprivation\nWhether you’re on an unconventional schedule or you have\ninsomnia\n, sleep deprivation could trigger all sorts of unexpected consequences, including all of the strange feelings described above. \nWhen we don’t get enough sleep, the brain’s\nconnections are impacted\n12\n. This is because sleep deprivation triggers brain cells called “astrocytes” to start breaking down various brain connections, which can lead to various sleep deprivation-related brain disorders and odd sensations.\nRead More:\n Surprising Link Between \nSleep Deprivation & Psychosis\nSleeping Environment\nWhen you’re in an unfamiliar place, like a hotel or friend’s house, your\nbody is on high alert\n13\nand you’re likely to feel more anxious. This heightened anxiety could then trigger strange feelings and electrical head shocks, which is referred to as  “The First Night Effect.”\nIf you tend to experience this when you’re in a strange room, try traveling with something that reminds you of your bedroom at home, like a pillow or familiar blanket, to help ease your mind.\nIllnesses\nSome illnesses and parasites could be responsible for odd sleep sensations.\nLyme disease\n14\n, for example, could cause sleep issues like insomnia, hallucinogenic dreams, or panic attacks if the disease is serious enough. Parasites could also be the culprit. Not only can various types of parasites\ncause insomnia\n15\nand disturbances to sleep, but they can also cause abnormalities in the brain.\nDrugs and Alcohol\nCertain addictive drugs and alcohol have a\ndisruptive effect on sleep\n16\n, potentially impacting your ability to fall asleep, stay asleep, and spend enough time in each stage of sleep.\nWhat’s more, is that certain drugs and alcohol raise your brain’s levels of both\nserotonin\n17\nand GABA, or\ngamma-aminobutyric acid\n18,\ntemporarily. When the levels crash back down, this could cause all sorts of strange sensations, including brain zaps, and certainly increase your level of anxiety.\nCaffeine\nCaffeine is considered to be a stimulant, and it generally stays in the system anywhere from\ntwo to 10 hours\n19\n.\nThat said, some research shows that it could have residual effects for up to 20 hours after consumption. This means this stimulant undoubtedly has an impact on your sleep. In fact, one of the most common side effects of caffeine is sleep deprivation.\n19\nAs we’ve seen already, sleep deprivation on its own can lead to strange sensations when falling asleep, and caffeine, in particular, has been linked to\nrestless leg syndrome\n20\n, headaches, anxiety, and, of course, insomnia.\n19\nWhat Causes Brain Zaps?\nOne of the primary causes is withdrawal from medications that regulate serotonin and GABA levels in the brain. So, if you’ve recently stopped taking an antidepressant, for example, then you may experience these zaps.\n7\nYou probably already know that serotonin is a happiness and sleep chemical, but you might not have heard of GABA before reading this article. It stands for gamma-aminobutyric acid, and its role in the brain is to “calm” activity in the brain.\n18\nIt’s believed that low or insufficient levels of GABA could cause a mild (not threatening) seizure that is, in reality, a brain zap.\nHow to Reduce Nighttime Anxiety\nIdentify Your Worries\nSince anxiety is a known trigger, make an effort to reduce the amount that you worry, especially before bed. Think about what’s causing you to feel this way and write down ideas for solutions.\nJournaling, meditation, and exercise are all great anxiety management tools. Even a short walk around the block alone could make a significant difference in your mood.\nMeditate\nMeditation is an effective way to clear the mind and ease anxiety. You can listen to free guided meditation videos on YouTube or through apps like HeadSpace and Insight Timer. If you prefer something unique, autonomous sensory meridian response (ASMR) videos could trigger pleasant sensations and help you fall asleep without incident.\nNeed more info?\n Learn how to \nmeditate before sleep\n here.\nSeek Professional Help\nIf these weird feelings and head shocks occur nightly and are affecting your ability to sleep, talk with your physician. There could be an underlying problem, or you may need to resume taking medication if you’ve recently stopped a prescription. Working with a licensed psychiatrist if you have a chemical disorder or your primary care physician could be the best place to start for more general questions.\nFrequently Asked Questions\nWhy do I get weird sensations when I’m falling asleep?\nSensations like falling, jerking awake, panic, restless legs, and even itching are relatively common when falling asleep. These may be due to underlying stress or anxiety, a sleep disorder like restless leg syndrome, withdrawal from certain drugs or medications, sleep deprivation, an illness, or too much alcohol or caffeine.\nIf the weird sensations you’re experiencing are regular or disrupting your sleep, it doesn’t hurt to speak to your doctor about them. They may ask you to modify your diet, habits, or medications.\nWhat are the symptoms of a neurological sleep disorder?\nA\nneurological sleep disorder\n21\n is when a neurological condition disrupts the brain’s ability to control sleep and wakefulness. Examples include central sleep apnea, central nervous system hypersomnia, circadian rhythm disorders, narcolepsy, parasomnias, REM sleep behavior disorders, and fatal familial insomnia.\nDepending on what the neurological sleep disorder is, symptoms will vary widely. For example, symptoms of central sleep apnea include snoring, insomnia, and difficulty breathing through the night.\n2\nSymptoms of parasomnias\n, on the other hand, might include talking or walking in your sleep, or night terrors.\nIf you are exhibiting strange behaviors or experiencing strange sensations during sleep, you should speak to your doctor who may refer you to a sleep specialist. A sleep study can help to determine whether you’re experiencing something neurological or not.\nWhy do I get strange thoughts when falling asleep?\nWhen the brain shifts from wakefulness to sleep, it is common to experience strange, often random thoughts, see an array of images, or experience odd, short dreams. These\nhypnagogic hallucinations\n22\n may be trippy, but they’re quite normal and safe.\nAdditionally, many people experience an uptick in their levels of anxiety and worry at night, which could account for strange, intrusive thoughts when falling asleep.\n9\nRachael Gilpin\nContent Writer\nAbout Author\nRachael is a content writer for Sleep Advisor who loves combining her enthusiasm for writing and wellness.\nReferences:\n“Brainwave Dysregulation”. ProNeuro Medical Group. Webpage accessed March 21, 2024. \n“Central sleep apnea”. Mayo Clinic. Last modified July 11, 2023. \n“Why Do I Feel Like I’m Falling or Twitching As I’m Falling Asleep?”. Cleveland Clinic. 2020.\nKhalili, Yasir Al., Pooja, Chopra.“Hynic Headaches”. StatPearls. Last update April 10, 2023. \nSawchuk, Craig N. “Nocturnal panic attacks: What causes them?”. Mayo Clinic. 2018. \nNigam, Gaurav. “Sleep Related Scratching: A Distinct Parasomnia?”.\nJournal of Clinical Sleep Medicine.\n2016.  \nPapp, Alexander., Onton, Julie A. “Brain Zaps: An Underappreciated Symptom of Antidepressant Discontinuation”.\nPrimary Care Companion for CNS Disorders.\n2018. \nNeporent, Liz. “Study Tackles the Mystery of Brain Zaps in Antidepressant Withdrawal”. Psychiatrist.com. 2023. \n“Anxiety, fear and panic”. National Health Service. Last modified January 17, 2023. \n“Generalized Anxiety Disorder (GAD)”. Johns Hopkins University. Webpage accessed March 15, 2024.\n“Sleep Anxiety”. Cleveland Clinic. Last modified June 13, 2021.\nQue, Mengxin., et. al. “Role of astrocytes in sleep deprivation: accomplices, resisters, or bystanders?”.\nFrontiers in Cellular Neuroscience\n. 2023.  \nTamaki, Masako., et. al. “Night Watch in One Brain Hemisphere during Sleep Associated with the First-Night Effect in Humans”.\nCurrent Biology\n. 2016.\nBransfield, Robert C. “Suicide and Lyme and associated diseases”.\nNeuropsychiatric Disease and Treatment\n. 2017. \nIbarra-Coronado, Elizabeth., et al. “The Bidirectional Relationship between Sleep and Immunity against Infections”.\nJournal of Immunology Research.\n2015. \nRoehrs, Timothy A., Roth, Thomas. “Sleep Disturbance in Substance Use Disorders”. Psychiatric Clinics of North America. 2015. \n“Serotonin”. Cleveland Clinic. Last modified March 18, 2022.\nJewett, Benjamin E., Sharma, Sandeep.“Physiology, GABA”. Stat Pearls. Last modified July 24, 2023. \nO’Callaghan, Frances., et. al. “Effects of caffeine on sleep quality and daytime functioning”.\nRisk Management and Healthcare Policy\n. 2018. \n“Restless legs syndrome”. Harvard Health Publishing. 2023. \n“Neurology – Sleep Conditions”. Penn Medicine. Webpage accessed March 21, 2024. \n“Hypnagogic Hallucinations”. Cleveland Clinic. 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[Best Adjustable Bed Frames](https:\/\/www.sleepadvisor.org\/best-adjustable-beds\/)\n    - [Best Bed Frames for Heavy People](https:\/\/www.sleepadvisor.org\/best-bed-frame-for-heavy-person\/)\n  - [Bedding and Accessory Information](https:\/\/www.sleepadvisor.org\/bedding-accessory-information\/)\n- Sleep Resources\n  - [Sleep Disorders](https:\/\/www.sleepadvisor.org\/sleep-disorders\/)\n  - [Physical Health & Sleep](https:\/\/www.sleepadvisor.org\/physical-health-sleep\/)\n  - [Sleep & Mental Health](https:\/\/www.sleepadvisor.org\/sleep-and-mental-health\/)\n  - [Family & Sleep](https:\/\/www.sleepadvisor.org\/family-sleep\/)\n\n[Close Search](https:\/\/www.sleepadvisor.org\/weird-feeling-when-trying-to-fall-asleep\/)\n\nTransparency Disclosure — We may receive a referral fee for products purchased through the links on our site…[Read More](https:\/\/sleepadvisor.org\/disclosures\/).\n***\n[Home](https:\/\/www.sleepadvisor.org\/) – [Sleep Resources](https:\/\/www.sleepadvisor.org\/sleep-resources\/) – Weird Sensations When Falling Asleep\n\n# Weird Sensations When Falling Asleep\nLast Updated on July 17, 2024\n\nWritten by [Rachael Gilpin](https:\/\/www.sleepadvisor.org\/author\/rachaelgilpin\/ \"Rachael Gilpin\"), Expert Reviewed by [Dr. Lori A. Russell-Chapin L.C.P.C.](https:\/\/www.sleepadvisor.org\/author\/lorirussellchapin\/ \"Dr. Lori A. Russell-Chapin L.C.P.C.\")\n\n[![Rachael Gilpin](https:\/\/i.sleepadvisor.org\/295\/823\/572\/2\/Rachael-Gilpin-Image.webp)](https:\/\/www.sleepadvisor.org\/rachael-gilpin\/)\n\n## Written by [Rachael Gilpin, Content Writer](https:\/\/www.sleepadvisor.org\/rachael-gilpin\/)\n\n### Our Research Process\nHere at Sleep Advisor, our editorial team utilizes reputable sources and expert feedback to provide well-researched sleep health content. For more details, read our full editorial policy.\n\n### In This Article\nExperiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind.\n\n»\n\nWhen we go to bed, it’s easy to assume that we drift off to sleep and there’s a clear distinction between our conscious and unconscious states. However, the brain undergoes a shutdown process as we enter sleep mode, and if we have poor sleep hygiene, acute stress, or chemical imbalances, we could experience [brainwave dysregulation](http:\/\/www.proneurohealth.com\/neurofeedback\/brainwave-dysregulation.html#:~:text=What%20is%20Brainwave%20Dysregulation%3F,food%20sensitivities%2C%20drugs%20or%20subluxation.)1. As a result, we might experience odd sensations at bedtime.\n\n## Weird Feelings When Trying to Fall Asleep\n### Breathing Difficulties\nDifficulty breathing when drifting off to sleep isn’t entirely uncommon, and one cause could be [central sleep apnea](https:\/\/www.sleepadvisor.org\/central-sleep-apnea-treatment\/). This occurs when the [brain doesn’t transmit](https:\/\/www.mayoclinic.org\/diseases-conditions\/central-sleep-apnea\/symptoms-causes\/syc-20352109)2 the proper signals to the muscles that control your breathing. Sometimes, you may feel tightness in your chest, while other times it could feel as though you’re choking. It may seem like there’s something caught in the back of your throat or your mouth has become excessively dry.\n\n**Get More Info:** [Sleep-Related Breathing Disorders](https:\/\/www.sleepadvisor.org\/sleep-related-breathing-disorder\/)\n\n### Sinking, Dropping, or Falling\nFeeling like you’re sinking, dropping, or falling can be particularly startling. These sensations can jar you from the brink of sleep into being wide awake. Usually, you’ll be jolted awake by the sensation that you’re dropping off a cliff or that you’ve just had a fall and are about to experience a painful landing.\n\nThe term for this is “[sleep myoclonus](https:\/\/health.clevelandclinic.org\/why-do-i-feel-like-im-falling-when-im-falling-asleep-video\/)3” or “hypnic myoclonus,” and it occurs when your brain is shifting from one sleep phase to another. The physical jerks that happen as a result are referred to as “[hypnagogic jerks](https:\/\/www.sleepadvisor.org\/hypnic-jerking\/),” and they most often appear during the light stage of sleep right as you’re drifting off.\n\n### A Throbbing Headache\n[Hypnic headaches](https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557598\/#:~:text=Hypnic%20headache%20\$HH\$%20is%20a,of%20headache%20disorders.%5B3%5D)4 are rare, and they are characterized by frequent headaches that only occur during sleep. They’re sometimes referred to as “alarm clock” headaches due to the fact they occur at night and jolt a sleeper awake. They can last anywhere from a few minutes to a few hours, and can significantly impair your ability to rest.4\n\n### A Sense of Panic or Worry\n[Nocturnal panic attacks](https:\/\/www.mayoclinic.org\/diseases-conditions\/panic-attacks\/expert-answers\/panic-attacks\/faq-20057984)5 or worry as you’re falling asleep often occur with no clear trigger, but they can awaken you suddenly. Similar to daytime panic attacks, you could experience a racing heartbeat, sweating, or hyperventilation.\n\nWhile they can be extremely uncomfortable and scary, they are typically not dangerous. The exact cause of nocturnal panic attacks is not known, but underlying factors such as genetics, anxiety, sleep disorders, or thyroid problems may contribute to them.5\n\n### Itchy Sensations\nWhen we fall asleep, our brain and body are in constant communication as “shutdown mode” ensues. [Itching during sleep](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4702205\/)6 may be due to an underlying dermatological disease, or it may be a symptom of [parasomnia](https:\/\/www.sleepadvisor.org\/sleep-disorder-parasomnia\/) (sleep disorder). Few studies have been done about this issue, and while recordings have been made observing sleep fragmentation, skin injury, intermittent awakenings, scars, and keloid formation, the cause (and potential treatment) remains speculative.6\n\n### Brain Zaps\n[Brain zaps](https:\/\/pubmed.ncbi.nlm.nih.gov\/30605268\/)7 are often described as a jolt or a “buzz in the head.” They may be experienced [in conjunction with](https:\/\/www.psychiatrist.com\/news\/study-tackles-the-mystery-of-brain-zaps-in-antidepressant-withdrawal\/)8 vertigo, confusion, or even a crackle or “whooshing” sound.\n\nThey are often observed upon the discontinuation of antidepressants, so going off this type of medication is important to do under the guidance of a medical professional.7\n\n## What Causes Weird Sensations When Falling Asleep?\n### Anxiety\nHeart palpitations, sweating, trembling, and shortness of breath are all symptoms of [an anxiety attack](https:\/\/www.nhs.uk\/mental-health\/feelings-symptoms-behaviours\/feelings-and-symptoms\/anxiety-fear-panic\/)9. There are other signs as well, but these are a few of the most common. Naturally, if you’re in the throes of a panic attack while you’re going to bed, it’s going to keep you awake.\n\nEven if you’re not experiencing a full-on panic attack, [generalized anxiety disorder](https:\/\/www.hopkinsmedicine.org\/health\/conditions-and-diseases\/generalized-anxiety-disorder#:~:text=GAD%20means%20that%20you%20are,money%2C%20family%2C%20or%20work.)10 can easily keep you awake, especially if you develop what is called “[sleep anxiety](https:\/\/my.clevelandclinic.org\/health\/diseases\/21543-sleep-anxiety)11.” This is when somebody develops anxiety around bedtime, often a severe nervousness about going to sleep or a fear of not being able to go to sleep.\n\n**Learn More:** [Anxiety and Sleep](https:\/\/www.sleepadvisor.org\/anxiety-and-sleep\/)\n\n### **Sleep Disorder**\nYou may be experiencing a [sleep disorder](https:\/\/www.sleepadvisor.org\/sleep-disorders\/) that’s causing odd feelings to occur while you’re trying to fall asleep. For example, sleep apnea could cause shortness of breath.2\n\nThe good news is that addressing the source of the sleep disorder could make these issues go away, so be sure to speak to your doctor if you feel you may have one.\n\n**Find Out More:** The Most Common [Sleep Disorders](https:\/\/www.sleepadvisor.org\/sleep-disorders\/)\n\n### Sleep Deprivation\nWhether you’re on an unconventional schedule or you have [insomnia](https:\/\/www.sleepadvisor.org\/insomnia\/), sleep deprivation could trigger all sorts of unexpected consequences, including all of the strange feelings described above.\n\nWhen we don’t get enough sleep, the brain’s [connections are impacted](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10330732\/)12. This is because sleep deprivation triggers brain cells called “astrocytes” to start breaking down various brain connections, which can lead to various sleep deprivation-related brain disorders and odd sensations.\n\n**Read More:** Surprising Link Between [Sleep Deprivation & Psychosis](https:\/\/www.sleepadvisor.org\/sleep\/deprivation\/)\n\n### Sleeping Environment\nWhen you’re in an unfamiliar place, like a hotel or friend’s house, your [body is on high alert](https:\/\/www.cell.com\/current-biology\/fulltext\/S0960-9822\$16\$30174-9)13 and you’re likely to feel more anxious. This heightened anxiety could then trigger strange feelings and electrical head shocks, which is referred to as “The First Night Effect.”\n\nIf you tend to experience this when you’re in a strange room, try traveling with something that reminds you of your bedroom at home, like a pillow or familiar blanket, to help ease your mind.\n\n### Illnesses\nSome illnesses and parasites could be responsible for odd sleep sensations. [Lyme disease](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5481283\/)14, for example, could cause sleep issues like insomnia, hallucinogenic dreams, or panic attacks if the disease is serious enough. Parasites could also be the culprit. Not only can various types of parasites [cause insomnia](https:\/\/www.researchgate.net\/publication\/281413114_The_Bidirectional_Relationship_between_Sleep_and_Immunity_against_Infections)15 and disturbances to sleep, but they can also cause abnormalities in the brain.\n\n### **Drugs and Alcohol**\nCertain addictive drugs and alcohol have a [disruptive effect on sleep](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4660250\/#:~:text=Drugs%20of%20abuse%20and%20alcohol,eye%20movement%20\$REM\$%20sleep.)16, potentially impacting your ability to fall asleep, stay asleep, and spend enough time in each stage of sleep.\n\nWhat’s more, is that certain drugs and alcohol raise your brain’s levels of both [serotonin](https:\/\/my.clevelandclinic.org\/health\/articles\/22572-serotonin)17 and GABA, or [gamma-aminobutyric acid](https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513311\/)18, temporarily. When the levels crash back down, this could cause all sorts of strange sensations, including brain zaps, and certainly increase your level of anxiety.\n\n### **Caffeine**\nCaffeine is considered to be a stimulant, and it generally stays in the system anywhere from [two to 10 hours](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6292246\/)19.\n\nThat said, some research shows that it could have residual effects for up to 20 hours after consumption. This means this stimulant undoubtedly has an impact on your sleep. In fact, one of the most common side effects of caffeine is sleep deprivation.19\n\nAs we’ve seen already, sleep deprivation on its own can lead to strange sensations when falling asleep, and caffeine, in particular, has been linked to [restless leg syndrome](https:\/\/www.health.harvard.edu\/a_to_z\/restless-legs-syndrome-a-to-z)20, headaches, anxiety, and, of course, insomnia.19\n\n## What Causes Brain Zaps?\nOne of the primary causes is withdrawal from medications that regulate serotonin and GABA levels in the brain. So, if you’ve recently stopped taking an antidepressant, for example, then you may experience these zaps.7\n\nYou probably already know that serotonin is a happiness and sleep chemical, but you might not have heard of GABA before reading this article. It stands for gamma-aminobutyric acid, and its role in the brain is to “calm” activity in the brain.18 It’s believed that low or insufficient levels of GABA could cause a mild (not threatening) seizure that is, in reality, a brain zap.\n\n## How to Reduce Nighttime Anxiety\n### Identify Your Worries\nSince anxiety is a known trigger, make an effort to reduce the amount that you worry, especially before bed. Think about what’s causing you to feel this way and write down ideas for solutions.\n\nJournaling, meditation, and exercise are all great anxiety management tools. Even a short walk around the block alone could make a significant difference in your mood.\n\n### Meditate\nMeditation is an effective way to clear the mind and ease anxiety. You can listen to free guided meditation videos on YouTube or through apps like HeadSpace and Insight Timer. If you prefer something unique, autonomous sensory meridian response (ASMR) videos could trigger pleasant sensations and help you fall asleep without incident.\n\n**Need more info?** Learn how to [meditate before sleep](https:\/\/www.sleepadvisor.org\/meditate-before-sleep\/) here.\n\n### Seek Professional Help\nIf these weird feelings and head shocks occur nightly and are affecting your ability to sleep, talk with your physician. There could be an underlying problem, or you may need to resume taking medication if you’ve recently stopped a prescription. Working with a licensed psychiatrist if you have a chemical disorder or your primary care physician could be the best place to start for more general questions.\n\n## Frequently Asked Questions\nWhy do I get weird sensations when I’m falling asleep?\n\nSensations like falling, jerking awake, panic, restless legs, and even itching are relatively common when falling asleep. These may be due to underlying stress or anxiety, a sleep disorder like restless leg syndrome, withdrawal from certain drugs or medications, sleep deprivation, an illness, or too much alcohol or caffeine.\n\nIf the weird sensations you’re experiencing are regular or disrupting your sleep, it doesn’t hurt to speak to your doctor about them. They may ask you to modify your diet, habits, or medications.\n\nWhat are the symptoms of a neurological sleep disorder?\n\nA [neurological sleep disorder](https:\/\/www.pennmedicine.org\/for-patients-and-visitors\/find-a-program-or-service\/neurology\/sleep-conditions)21 is when a neurological condition disrupts the brain’s ability to control sleep and wakefulness. Examples include central sleep apnea, central nervous system hypersomnia, circadian rhythm disorders, narcolepsy, parasomnias, REM sleep behavior disorders, and fatal familial insomnia.\n\nDepending on what the neurological sleep disorder is, symptoms will vary widely. For example, symptoms of central sleep apnea include snoring, insomnia, and difficulty breathing through the night.2 [Symptoms of parasomnias](https:\/\/www.sleepadvisor.org\/sleep-disorder-parasomnia\/), on the other hand, might include talking or walking in your sleep, or night terrors.\n\nIf you are exhibiting strange behaviors or experiencing strange sensations during sleep, you should speak to your doctor who may refer you to a sleep specialist. A sleep study can help to determine whether you’re experiencing something neurological or not.\n\nWhy do I get strange thoughts when falling asleep?\n\nWhen the brain shifts from wakefulness to sleep, it is common to experience strange, often random thoughts, see an array of images, or experience odd, short dreams. These [hypnagogic hallucinations](https:\/\/my.clevelandclinic.org\/health\/articles\/23234-hypnagogic-hallucinations)22 may be trippy, but they’re quite normal and safe.\n\nAdditionally, many people experience an uptick in their levels of anxiety and worry at night, which could account for strange, intrusive thoughts when falling asleep.9\n\n![Rachael Gilpin](https:\/\/i.sleepadvisor.org\/416\/651\/164\/5\/Rachael-Gilpin-Image-1024x995.webp)\n\n## Rachael Gilpin\nContent Writer\n\n### About Author\nRachael is a content writer for Sleep Advisor who loves combining her enthusiasm for writing and wellness.\n\n**References:**\n\n1. “Brainwave Dysregulation”. ProNeuro Medical Group. Webpage accessed March 21, 2024.\n2. “Central sleep apnea”. Mayo Clinic. Last modified July 11, 2023.\n3. “Why Do I Feel Like I’m Falling or Twitching As I’m Falling Asleep?”. Cleveland Clinic. 2020.\n4. Khalili, Yasir Al., Pooja, Chopra.“Hynic Headaches”. StatPearls. Last update April 10, 2023.\n5. Sawchuk, Craig N. “Nocturnal panic attacks: What causes them?”. Mayo Clinic. 2018.\n6. Nigam, Gaurav. “Sleep Related Scratching: A Distinct Parasomnia?”. *Journal of Clinical Sleep Medicine.* 2016\\.\n7. Papp, Alexander., Onton, Julie A. “Brain Zaps: An Underappreciated Symptom of Antidepressant Discontinuation”. *Primary Care Companion for CNS Disorders.* 2018.\n8. Neporent, Liz. “Study Tackles the Mystery of Brain Zaps in Antidepressant Withdrawal”. Psychiatrist.com. 2023.\n9. “Anxiety, fear and panic”. National Health Service. Last modified January 17, 2023.\n10. “Generalized Anxiety Disorder (GAD)”. Johns Hopkins University. Webpage accessed March 15, 2024.\n11. “Sleep Anxiety”. Cleveland Clinic. Last modified June 13, 2021.\n12. Que, Mengxin., et. al. “Role of astrocytes in sleep deprivation: accomplices, resisters, or bystanders?”. *Frontiers in Cellular Neuroscience*. 2023.\n13. Tamaki, Masako., et. al. “Night Watch in One Brain Hemisphere during Sleep Associated with the First-Night Effect in Humans”. *Current Biology*. 2016.\n14. Bransfield, Robert C. “Suicide and Lyme and associated diseases”. *Neuropsychiatric Disease and Treatment*. 2017.\n15. Ibarra-Coronado, Elizabeth., et al. “The Bidirectional Relationship between Sleep and Immunity against Infections”. *Journal of Immunology Research.* 2015\\.\n16. Roehrs, Timothy A., Roth, Thomas. “Sleep Disturbance in Substance Use Disorders”. Psychiatric Clinics of North America. 2015.\n17. “Serotonin”. Cleveland Clinic. Last modified March 18, 2022.\n18. Jewett, Benjamin E., Sharma, Sandeep.“Physiology, GABA”. Stat Pearls. Last modified July 24, 2023.\n19. O’Callaghan, Frances., et. al. “Effects of caffeine on sleep quality and daytime functioning”. *Risk Management and Healthcare Policy*. 2018.\n20. “Restless legs syndrome”. Harvard Health Publishing. 2023.\n21. “Neurology – Sleep Conditions”. Penn Medicine. Webpage accessed March 21, 2024.\n22. “Hypnagogic Hallucinations”. Cleveland Clinic. 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All rights reserved.\n\nImportant – By using this website, you are agreeing to our Terms of Use\n\n- [Terms & Conditions](https:\/\/www.sleepadvisor.org\/terms-conditions\/)\n- [Disclosures & Disclaimers](https:\/\/www.sleepadvisor.org\/disclosures\/)\n- [DMCA Policy](https:\/\/www.sleepadvisor.org\/dmca-policy\/)\n\nSleepAdvisor.org is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com.\n\nInformation from your device can be used to personalize your ad experience.\n\n[Do not sell or share my personal information](https:\/\/privacyportal-eu.onetrust.com\/webform\/134e30f1-62e8-4c4e-90b2-e8074c35b214\/20cb5f44-059c-475f-aa5b-aba910032327)\n\nA Raptive Partner Site\n\n![](https:\/\/www.facebook.com\/tr?id=338629820072625&ev=PageView&noscript=1)","attrs_readable_markdown":"Transparency Disclosure — We may receive a referral fee for products purchased through the links on our site…[Read More](https:\/\/sleepadvisor.org\/disclosures\/).\n\n### Our Research Process\nHere at Sleep Advisor, our editorial team utilizes reputable sources and expert feedback to provide well-researched sleep health content. For more details, read our full editorial policy.\n\n### In This Article\nExperiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind.\n\nWhen we go to bed, it’s easy to assume that we drift off to sleep and there’s a clear distinction between our conscious and unconscious states. However, the brain undergoes a shutdown process as we enter sleep mode, and if we have poor sleep hygiene, acute stress, or chemical imbalances, we could experience [brainwave dysregulation](http:\/\/www.proneurohealth.com\/neurofeedback\/brainwave-dysregulation.html#:~:text=What%20is%20Brainwave%20Dysregulation%3F,food%20sensitivities%2C%20drugs%20or%20subluxation.)1. As a result, we might experience odd sensations at bedtime.\n\n## Weird Feelings When Trying to Fall Asleep\n### Breathing Difficulties\nDifficulty breathing when drifting off to sleep isn’t entirely uncommon, and one cause could be [central sleep apnea](https:\/\/www.sleepadvisor.org\/central-sleep-apnea-treatment\/). This occurs when the [brain doesn’t transmit](https:\/\/www.mayoclinic.org\/diseases-conditions\/central-sleep-apnea\/symptoms-causes\/syc-20352109)2 the proper signals to the muscles that control your breathing. Sometimes, you may feel tightness in your chest, while other times it could feel as though you’re choking. It may seem like there’s something caught in the back of your throat or your mouth has become excessively dry.\n\n**Get More Info:** [Sleep-Related Breathing Disorders](https:\/\/www.sleepadvisor.org\/sleep-related-breathing-disorder\/)\n\n### Sinking, Dropping, or Falling\nFeeling like you’re sinking, dropping, or falling can be particularly startling. These sensations can jar you from the brink of sleep into being wide awake. Usually, you’ll be jolted awake by the sensation that you’re dropping off a cliff or that you’ve just had a fall and are about to experience a painful landing.\n\nThe term for this is “[sleep myoclonus](https:\/\/health.clevelandclinic.org\/why-do-i-feel-like-im-falling-when-im-falling-asleep-video\/)3” or “hypnic myoclonus,” and it occurs when your brain is shifting from one sleep phase to another. The physical jerks that happen as a result are referred to as “[hypnagogic jerks](https:\/\/www.sleepadvisor.org\/hypnic-jerking\/),” and they most often appear during the light stage of sleep right as you’re drifting off.\n\n### A Throbbing Headache\n[Hypnic headaches](https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK557598\/#:~:text=Hypnic%20headache%20\$HH\$%20is%20a,of%20headache%20disorders.%5B3%5D)4 are rare, and they are characterized by frequent headaches that only occur during sleep. They’re sometimes referred to as “alarm clock” headaches due to the fact they occur at night and jolt a sleeper awake. They can last anywhere from a few minutes to a few hours, and can significantly impair your ability to rest.4\n\n### A Sense of Panic or Worry\n[Nocturnal panic attacks](https:\/\/www.mayoclinic.org\/diseases-conditions\/panic-attacks\/expert-answers\/panic-attacks\/faq-20057984)5 or worry as you’re falling asleep often occur with no clear trigger, but they can awaken you suddenly. Similar to daytime panic attacks, you could experience a racing heartbeat, sweating, or hyperventilation.\n\nWhile they can be extremely uncomfortable and scary, they are typically not dangerous. The exact cause of nocturnal panic attacks is not known, but underlying factors such as genetics, anxiety, sleep disorders, or thyroid problems may contribute to them.5\n\n### Itchy Sensations\nWhen we fall asleep, our brain and body are in constant communication as “shutdown mode” ensues. [Itching during sleep](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4702205\/)6 may be due to an underlying dermatological disease, or it may be a symptom of [parasomnia](https:\/\/www.sleepadvisor.org\/sleep-disorder-parasomnia\/) (sleep disorder). Few studies have been done about this issue, and while recordings have been made observing sleep fragmentation, skin injury, intermittent awakenings, scars, and keloid formation, the cause (and potential treatment) remains speculative.6\n\n### Brain Zaps\n[Brain zaps](https:\/\/pubmed.ncbi.nlm.nih.gov\/30605268\/)7 are often described as a jolt or a “buzz in the head.” They may be experienced [in conjunction with](https:\/\/www.psychiatrist.com\/news\/study-tackles-the-mystery-of-brain-zaps-in-antidepressant-withdrawal\/)8 vertigo, confusion, or even a crackle or “whooshing” sound.\n\nThey are often observed upon the discontinuation of antidepressants, so going off this type of medication is important to do under the guidance of a medical professional.7\n\n## What Causes Weird Sensations When Falling Asleep?\n### Anxiety\nHeart palpitations, sweating, trembling, and shortness of breath are all symptoms of [an anxiety attack](https:\/\/www.nhs.uk\/mental-health\/feelings-symptoms-behaviours\/feelings-and-symptoms\/anxiety-fear-panic\/)9. There are other signs as well, but these are a few of the most common. Naturally, if you’re in the throes of a panic attack while you’re going to bed, it’s going to keep you awake.\n\nEven if you’re not experiencing a full-on panic attack, [generalized anxiety disorder](https:\/\/www.hopkinsmedicine.org\/health\/conditions-and-diseases\/generalized-anxiety-disorder#:~:text=GAD%20means%20that%20you%20are,money%2C%20family%2C%20or%20work.)10 can easily keep you awake, especially if you develop what is called “[sleep anxiety](https:\/\/my.clevelandclinic.org\/health\/diseases\/21543-sleep-anxiety)11.” This is when somebody develops anxiety around bedtime, often a severe nervousness about going to sleep or a fear of not being able to go to sleep.\n\n**Learn More:** [Anxiety and Sleep](https:\/\/www.sleepadvisor.org\/anxiety-and-sleep\/)\n\n### **Sleep Disorder**\nYou may be experiencing a [sleep disorder](https:\/\/www.sleepadvisor.org\/sleep-disorders\/) that’s causing odd feelings to occur while you’re trying to fall asleep. For example, sleep apnea could cause shortness of breath.2\n\nThe good news is that addressing the source of the sleep disorder could make these issues go away, so be sure to speak to your doctor if you feel you may have one.\n\n**Find Out More:** The Most Common [Sleep Disorders](https:\/\/www.sleepadvisor.org\/sleep-disorders\/)\n\n### Sleep Deprivation\nWhether you’re on an unconventional schedule or you have [insomnia](https:\/\/www.sleepadvisor.org\/insomnia\/), sleep deprivation could trigger all sorts of unexpected consequences, including all of the strange feelings described above.\n\nWhen we don’t get enough sleep, the brain’s [connections are impacted](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC10330732\/)12. This is because sleep deprivation triggers brain cells called “astrocytes” to start breaking down various brain connections, which can lead to various sleep deprivation-related brain disorders and odd sensations.\n\n**Read More:** Surprising Link Between [Sleep Deprivation & Psychosis](https:\/\/www.sleepadvisor.org\/sleep\/deprivation\/)\n\n### Sleeping Environment\nWhen you’re in an unfamiliar place, like a hotel or friend’s house, your [body is on high alert](https:\/\/www.cell.com\/current-biology\/fulltext\/S0960-9822\$16\$30174-9)13 and you’re likely to feel more anxious. This heightened anxiety could then trigger strange feelings and electrical head shocks, which is referred to as “The First Night Effect.”\n\nIf you tend to experience this when you’re in a strange room, try traveling with something that reminds you of your bedroom at home, like a pillow or familiar blanket, to help ease your mind.\n\n### Illnesses\nSome illnesses and parasites could be responsible for odd sleep sensations. [Lyme disease](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC5481283\/)14, for example, could cause sleep issues like insomnia, hallucinogenic dreams, or panic attacks if the disease is serious enough. Parasites could also be the culprit. Not only can various types of parasites [cause insomnia](https:\/\/www.researchgate.net\/publication\/281413114_The_Bidirectional_Relationship_between_Sleep_and_Immunity_against_Infections)15 and disturbances to sleep, but they can also cause abnormalities in the brain.\n\n### **Drugs and Alcohol**\nCertain addictive drugs and alcohol have a [disruptive effect on sleep](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC4660250\/#:~:text=Drugs%20of%20abuse%20and%20alcohol,eye%20movement%20\$REM\$%20sleep.)16, potentially impacting your ability to fall asleep, stay asleep, and spend enough time in each stage of sleep.\n\nWhat’s more, is that certain drugs and alcohol raise your brain’s levels of both [serotonin](https:\/\/my.clevelandclinic.org\/health\/articles\/22572-serotonin)17 and GABA, or [gamma-aminobutyric acid](https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK513311\/)18, temporarily. When the levels crash back down, this could cause all sorts of strange sensations, including brain zaps, and certainly increase your level of anxiety.\n\n### **Caffeine**\nCaffeine is considered to be a stimulant, and it generally stays in the system anywhere from [two to 10 hours](https:\/\/www.ncbi.nlm.nih.gov\/pmc\/articles\/PMC6292246\/)19.\n\nThat said, some research shows that it could have residual effects for up to 20 hours after consumption. This means this stimulant undoubtedly has an impact on your sleep. In fact, one of the most common side effects of caffeine is sleep deprivation.19\n\nAs we’ve seen already, sleep deprivation on its own can lead to strange sensations when falling asleep, and caffeine, in particular, has been linked to [restless leg syndrome](https:\/\/www.health.harvard.edu\/a_to_z\/restless-legs-syndrome-a-to-z)20, headaches, anxiety, and, of course, insomnia.19\n\n## What Causes Brain Zaps?\nOne of the primary causes is withdrawal from medications that regulate serotonin and GABA levels in the brain. So, if you’ve recently stopped taking an antidepressant, for example, then you may experience these zaps.7\n\nYou probably already know that serotonin is a happiness and sleep chemical, but you might not have heard of GABA before reading this article. It stands for gamma-aminobutyric acid, and its role in the brain is to “calm” activity in the brain.18 It’s believed that low or insufficient levels of GABA could cause a mild (not threatening) seizure that is, in reality, a brain zap.\n\n## How to Reduce Nighttime Anxiety\n### Identify Your Worries\nSince anxiety is a known trigger, make an effort to reduce the amount that you worry, especially before bed. Think about what’s causing you to feel this way and write down ideas for solutions.\n\nJournaling, meditation, and exercise are all great anxiety management tools. Even a short walk around the block alone could make a significant difference in your mood.\n\n### Meditate\nMeditation is an effective way to clear the mind and ease anxiety. You can listen to free guided meditation videos on YouTube or through apps like HeadSpace and Insight Timer. If you prefer something unique, autonomous sensory meridian response (ASMR) videos could trigger pleasant sensations and help you fall asleep without incident.\n\n**Need more info?** Learn how to [meditate before sleep](https:\/\/www.sleepadvisor.org\/meditate-before-sleep\/) here.\n\n### Seek Professional Help\nIf these weird feelings and head shocks occur nightly and are affecting your ability to sleep, talk with your physician. There could be an underlying problem, or you may need to resume taking medication if you’ve recently stopped a prescription. Working with a licensed psychiatrist if you have a chemical disorder or your primary care physician could be the best place to start for more general questions.\n\n## Frequently Asked Questions\nWhy do I get weird sensations when I’m falling asleep?\n\nSensations like falling, jerking awake, panic, restless legs, and even itching are relatively common when falling asleep. These may be due to underlying stress or anxiety, a sleep disorder like restless leg syndrome, withdrawal from certain drugs or medications, sleep deprivation, an illness, or too much alcohol or caffeine.\n\nIf the weird sensations you’re experiencing are regular or disrupting your sleep, it doesn’t hurt to speak to your doctor about them. They may ask you to modify your diet, habits, or medications.\n\nWhat are the symptoms of a neurological sleep disorder?\n\nA [neurological sleep disorder](https:\/\/www.pennmedicine.org\/for-patients-and-visitors\/find-a-program-or-service\/neurology\/sleep-conditions)21 is when a neurological condition disrupts the brain’s ability to control sleep and wakefulness. Examples include central sleep apnea, central nervous system hypersomnia, circadian rhythm disorders, narcolepsy, parasomnias, REM sleep behavior disorders, and fatal familial insomnia.\n\nDepending on what the neurological sleep disorder is, symptoms will vary widely. For example, symptoms of central sleep apnea include snoring, insomnia, and difficulty breathing through the night.2 [Symptoms of parasomnias](https:\/\/www.sleepadvisor.org\/sleep-disorder-parasomnia\/), on the other hand, might include talking or walking in your sleep, or night terrors.\n\nIf you are exhibiting strange behaviors or experiencing strange sensations during sleep, you should speak to your doctor who may refer you to a sleep specialist. A sleep study can help to determine whether you’re experiencing something neurological or not.\n\nWhy do I get strange thoughts when falling asleep?\n\nWhen the brain shifts from wakefulness to sleep, it is common to experience strange, often random thoughts, see an array of images, or experience odd, short dreams. These [hypnagogic hallucinations](https:\/\/my.clevelandclinic.org\/health\/articles\/23234-hypnagogic-hallucinations)22 may be trippy, but they’re quite normal and safe.\n\nAdditionally, many people experience an uptick in their levels of anxiety and worry at night, which could account for strange, intrusive thoughts when falling asleep.9\n\n![Rachael Gilpin](https:\/\/i.sleepadvisor.org\/416\/651\/164\/5\/Rachael-Gilpin-Image-1024x995.webp)\n\n## Rachael Gilpin\nContent Writer\n\n### About Author\nRachael is a content writer for Sleep Advisor who loves combining her enthusiasm for writing and wellness.\n\n**References:**\n\n1. “Brainwave Dysregulation”. ProNeuro Medical Group. Webpage accessed March 21, 2024.\n2. “Central sleep apnea”. Mayo Clinic. Last modified July 11, 2023.\n3. “Why Do I Feel Like I’m Falling or Twitching As I’m Falling Asleep?”. Cleveland Clinic. 2020.\n4. Khalili, Yasir Al., Pooja, Chopra.“Hynic Headaches”. StatPearls. Last update April 10, 2023.\n5. Sawchuk, Craig N. “Nocturnal panic attacks: What causes them?”. Mayo Clinic. 2018.\n6. Nigam, Gaurav. “Sleep Related Scratching: A Distinct Parasomnia?”. *Journal of Clinical Sleep Medicine.* 2016\\.\n7. Papp, Alexander., Onton, Julie A. “Brain Zaps: An Underappreciated Symptom of Antidepressant Discontinuation”. *Primary Care Companion for CNS Disorders.* 2018.\n8. Neporent, Liz. “Study Tackles the Mystery of Brain Zaps in Antidepressant Withdrawal”. Psychiatrist.com. 2023.\n9. “Anxiety, fear and panic”. National Health Service. Last modified January 17, 2023.\n10. “Generalized Anxiety Disorder (GAD)”. Johns Hopkins University. Webpage accessed March 15, 2024.\n11. “Sleep Anxiety”. Cleveland Clinic. Last modified June 13, 2021.\n12. Que, Mengxin., et. al. “Role of astrocytes in sleep deprivation: accomplices, resisters, or bystanders?”. *Frontiers in Cellular Neuroscience*. 2023.\n13. Tamaki, Masako., et. al. “Night Watch in One Brain Hemisphere during Sleep Associated with the First-Night Effect in Humans”. *Current Biology*. 2016.\n14. Bransfield, Robert C. “Suicide and Lyme and associated diseases”. *Neuropsychiatric Disease and Treatment*. 2017.\n15. Ibarra-Coronado, Elizabeth., et al. “The Bidirectional Relationship between Sleep and Immunity against Infections”. *Journal of Immunology Research.* 2015\\.\n16. Roehrs, Timothy A., Roth, Thomas. “Sleep Disturbance in Substance Use Disorders”. Psychiatric Clinics of North America. 2015.\n17. “Serotonin”. Cleveland Clinic. Last modified March 18, 2022.\n18. Jewett, Benjamin E., Sharma, Sandeep.“Physiology, GABA”. Stat Pearls. Last modified July 24, 2023.\n19. O’Callaghan, Frances., et. al. “Effects of caffeine on sleep quality and daytime functioning”. *Risk Management and Healthcare Policy*. 2018.\n20. “Restless legs syndrome”. Harvard Health Publishing. 2023.\n21. “Neurology – Sleep Conditions”. Penn Medicine. Webpage accessed March 21, 2024.\n22. “Hypnagogic Hallucinations”. Cleveland Clinic. Last modified June 10, 2022.","meta_canonical":null}

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Boilerpipe Text	Transparency Disclosure — We may receive a referral fee for products purchased through the links on our site… Read More . Our Research Process Here at Sleep Advisor, our editorial team utilizes reputable sources and expert feedback to provide well-researched sleep health content. For more details, read our full editorial policy. In This Article Experiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind. When we go to bed, it’s easy to assume that we drift off to sleep and there’s a clear distinction between our conscious and unconscious states. However, the brain undergoes a shutdown process as we enter sleep mode, and if we have poor sleep hygiene, acute stress, or chemical imbalances, we could experience brainwave dysregulation 1 . As a result, we might experience odd sensations at bedtime. Weird Feelings When Trying to Fall Asleep Breathing Difficulties Difficulty breathing when drifting off to sleep isn’t entirely uncommon, and one cause could be central sleep apnea . This occurs when the brain doesn’t transmit 2 the proper signals to the muscles that control your breathing. Sometimes, you may feel tightness in your chest, while other times it could feel as though you’re choking. It may seem like there’s something caught in the back of your throat or your mouth has become excessively dry. Get More Info: Sleep-Related Breathing Disorders Sinking, Dropping, or Falling Feeling like you’re sinking, dropping, or falling can be particularly startling. These sensations can jar you from the brink of sleep into being wide awake. Usually, you’ll be jolted awake by the sensation that you’re dropping off a cliff or that you’ve just had a fall and are about to experience a painful landing. The term for this is “ sleep myoclonus 3 ” or “hypnic myoclonus,” and it occurs when your brain is shifting from one sleep phase to another. The physical jerks that happen as a result are referred to as “ hypnagogic jerks ,” and they most often appear during the light stage of sleep right as you’re drifting off. A Throbbing Headache Hypnic headaches 4 are rare, and they are characterized by frequent headaches that only occur during sleep. They’re sometimes referred to as “alarm clock” headaches due to the fact they occur at night and jolt a sleeper awake. They can last anywhere from a few minutes to a few hours, and can significantly impair your ability to rest. 4 A Sense of Panic or Worry Nocturnal panic attacks 5 or worry as you’re falling asleep often occur with no clear trigger, but they can awaken you suddenly. Similar to daytime panic attacks, you could experience a racing heartbeat, sweating, or hyperventilation. While they can be extremely uncomfortable and scary, they are typically not dangerous. The exact cause of nocturnal panic attacks is not known, but underlying factors such as genetics, anxiety, sleep disorders, or thyroid problems may contribute to them. 5 Itchy Sensations When we fall asleep, our brain and body are in constant communication as “shutdown mode” ensues. Itching during sleep 6 may be due to an underlying dermatological disease, or it may be a symptom of parasomnia (sleep disorder). Few studies have been done about this issue, and while recordings have been made observing sleep fragmentation, skin injury, intermittent awakenings, scars, and keloid formation, the cause (and potential treatment) remains speculative. 6 Brain Zaps Brain zaps 7 are often described as a jolt or a “buzz in the head.” They may be experienced in conjunction with 8 vertigo, confusion, or even a crackle or “whooshing” sound. They are often observed upon the discontinuation of antidepressants, so going off this type of medication is important to do under the guidance of a medical professional. 7 What Causes Weird Sensations When Falling Asleep? Anxiety Heart palpitations, sweating, trembling, and shortness of breath are all symptoms of an anxiety attack 9 . There are other signs as well, but these are a few of the most common. Naturally, if you’re in the throes of a panic attack while you’re going to bed, it’s going to keep you awake. Even if you’re not experiencing a full-on panic attack, generalized anxiety disorder 10 can easily keep you awake, especially if you develop what is called “ sleep anxiety 11 .” This is when somebody develops anxiety around bedtime, often a severe nervousness about going to sleep or a fear of not being able to go to sleep. Learn More: Anxiety and Sleep Sleep Disorder You may be experiencing a sleep disorder that’s causing odd feelings to occur while you’re trying to fall asleep. For example, sleep apnea could cause shortness of breath. 2 The good news is that addressing the source of the sleep disorder could make these issues go away, so be sure to speak to your doctor if you feel you may have one. Find Out More: The Most Common Sleep Disorders Sleep Deprivation Whether you’re on an unconventional schedule or you have insomnia , sleep deprivation could trigger all sorts of unexpected consequences, including all of the strange feelings described above. When we don’t get enough sleep, the brain’s connections are impacted 12 . This is because sleep deprivation triggers brain cells called “astrocytes” to start breaking down various brain connections, which can lead to various sleep deprivation-related brain disorders and odd sensations. Read More: Surprising Link Between Sleep Deprivation & Psychosis Sleeping Environment When you’re in an unfamiliar place, like a hotel or friend’s house, your body is on high alert 13 and you’re likely to feel more anxious. This heightened anxiety could then trigger strange feelings and electrical head shocks, which is referred to as “The First Night Effect.” If you tend to experience this when you’re in a strange room, try traveling with something that reminds you of your bedroom at home, like a pillow or familiar blanket, to help ease your mind. Illnesses Some illnesses and parasites could be responsible for odd sleep sensations. Lyme disease 14 , for example, could cause sleep issues like insomnia, hallucinogenic dreams, or panic attacks if the disease is serious enough. Parasites could also be the culprit. Not only can various types of parasites cause insomnia 15 and disturbances to sleep, but they can also cause abnormalities in the brain. Drugs and Alcohol Certain addictive drugs and alcohol have a disruptive effect on sleep 16 , potentially impacting your ability to fall asleep, stay asleep, and spend enough time in each stage of sleep. What’s more, is that certain drugs and alcohol raise your brain’s levels of both serotonin 17 and GABA, or gamma-aminobutyric acid 18, temporarily. When the levels crash back down, this could cause all sorts of strange sensations, including brain zaps, and certainly increase your level of anxiety. Caffeine Caffeine is considered to be a stimulant, and it generally stays in the system anywhere from two to 10 hours 19 . That said, some research shows that it could have residual effects for up to 20 hours after consumption. This means this stimulant undoubtedly has an impact on your sleep. In fact, one of the most common side effects of caffeine is sleep deprivation. 19 As we’ve seen already, sleep deprivation on its own can lead to strange sensations when falling asleep, and caffeine, in particular, has been linked to restless leg syndrome 20 , headaches, anxiety, and, of course, insomnia. 19 What Causes Brain Zaps? One of the primary causes is withdrawal from medications that regulate serotonin and GABA levels in the brain. So, if you’ve recently stopped taking an antidepressant, for example, then you may experience these zaps. 7 You probably already know that serotonin is a happiness and sleep chemical, but you might not have heard of GABA before reading this article. It stands for gamma-aminobutyric acid, and its role in the brain is to “calm” activity in the brain. 18 It’s believed that low or insufficient levels of GABA could cause a mild (not threatening) seizure that is, in reality, a brain zap. How to Reduce Nighttime Anxiety Identify Your Worries Since anxiety is a known trigger, make an effort to reduce the amount that you worry, especially before bed. Think about what’s causing you to feel this way and write down ideas for solutions. Journaling, meditation, and exercise are all great anxiety management tools. Even a short walk around the block alone could make a significant difference in your mood. Meditate Meditation is an effective way to clear the mind and ease anxiety. You can listen to free guided meditation videos on YouTube or through apps like HeadSpace and Insight Timer. If you prefer something unique, autonomous sensory meridian response (ASMR) videos could trigger pleasant sensations and help you fall asleep without incident. Need more info? Learn how to meditate before sleep here. Seek Professional Help If these weird feelings and head shocks occur nightly and are affecting your ability to sleep, talk with your physician. There could be an underlying problem, or you may need to resume taking medication if you’ve recently stopped a prescription. Working with a licensed psychiatrist if you have a chemical disorder or your primary care physician could be the best place to start for more general questions. Frequently Asked Questions Why do I get weird sensations when I’m falling asleep? Sensations like falling, jerking awake, panic, restless legs, and even itching are relatively common when falling asleep. These may be due to underlying stress or anxiety, a sleep disorder like restless leg syndrome, withdrawal from certain drugs or medications, sleep deprivation, an illness, or too much alcohol or caffeine. If the weird sensations you’re experiencing are regular or disrupting your sleep, it doesn’t hurt to speak to your doctor about them. They may ask you to modify your diet, habits, or medications. What are the symptoms of a neurological sleep disorder? A neurological sleep disorder 21 is when a neurological condition disrupts the brain’s ability to control sleep and wakefulness. Examples include central sleep apnea, central nervous system hypersomnia, circadian rhythm disorders, narcolepsy, parasomnias, REM sleep behavior disorders, and fatal familial insomnia. Depending on what the neurological sleep disorder is, symptoms will vary widely. For example, symptoms of central sleep apnea include snoring, insomnia, and difficulty breathing through the night. 2 Symptoms of parasomnias , on the other hand, might include talking or walking in your sleep, or night terrors. If you are exhibiting strange behaviors or experiencing strange sensations during sleep, you should speak to your doctor who may refer you to a sleep specialist. A sleep study can help to determine whether you’re experiencing something neurological or not. Why do I get strange thoughts when falling asleep? When the brain shifts from wakefulness to sleep, it is common to experience strange, often random thoughts, see an array of images, or experience odd, short dreams. These hypnagogic hallucinations 22 may be trippy, but they’re quite normal and safe. Additionally, many people experience an uptick in their levels of anxiety and worry at night, which could account for strange, intrusive thoughts when falling asleep. 9 Rachael Gilpin Content Writer About Author Rachael is a content writer for Sleep Advisor who loves combining her enthusiasm for writing and wellness. References: “Brainwave Dysregulation”. ProNeuro Medical Group. Webpage accessed March 21, 2024. “Central sleep apnea”. Mayo Clinic. Last modified July 11, 2023. “Why Do I Feel Like I’m Falling or Twitching As I’m Falling Asleep?”. Cleveland Clinic. 2020. Khalili, Yasir Al., Pooja, Chopra.“Hynic Headaches”. StatPearls. Last update April 10, 2023. Sawchuk, Craig N. “Nocturnal panic attacks: What causes them?”. Mayo Clinic. 2018. Nigam, Gaurav. “Sleep Related Scratching: A Distinct Parasomnia?”. Journal of Clinical Sleep Medicine. 2016. Papp, Alexander., Onton, Julie A. “Brain Zaps: An Underappreciated Symptom of Antidepressant Discontinuation”. Primary Care Companion for CNS Disorders. 2018. Neporent, Liz. “Study Tackles the Mystery of Brain Zaps in Antidepressant Withdrawal”. Psychiatrist.com. 2023. “Anxiety, fear and panic”. National Health Service. Last modified January 17, 2023. “Generalized Anxiety Disorder (GAD)”. Johns Hopkins University. Webpage accessed March 15, 2024. “Sleep Anxiety”. Cleveland Clinic. Last modified June 13, 2021. Que, Mengxin., et. al. “Role of astrocytes in sleep deprivation: accomplices, resisters, or bystanders?”. Frontiers in Cellular Neuroscience . 2023. Tamaki, Masako., et. al. “Night Watch in One Brain Hemisphere during Sleep Associated with the First-Night Effect in Humans”. Current Biology . 2016. Bransfield, Robert C. “Suicide and Lyme and associated diseases”. Neuropsychiatric Disease and Treatment . 2017. Ibarra-Coronado, Elizabeth., et al. “The Bidirectional Relationship between Sleep and Immunity against Infections”. Journal of Immunology Research. 2015. Roehrs, Timothy A., Roth, Thomas. “Sleep Disturbance in Substance Use Disorders”. Psychiatric Clinics of North America. 2015. “Serotonin”. Cleveland Clinic. Last modified March 18, 2022. Jewett, Benjamin E., Sharma, Sandeep.“Physiology, GABA”. Stat Pearls. Last modified July 24, 2023. O’Callaghan, Frances., et. al. “Effects of caffeine on sleep quality and daytime functioning”. Risk Management and Healthcare Policy . 2018. “Restless legs syndrome”. Harvard Health Publishing. 2023. “Neurology – Sleep Conditions”. Penn Medicine. Webpage accessed March 21, 2024. “Hypnagogic Hallucinations”. Cleveland Clinic. Last modified June 10, 2022.
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Russell-Chapin L.C.P.C.](https://www.sleepadvisor.org/author/lorirussellchapin/ "Dr. Lori A. Russell-Chapin L.C.P.C.") [![Rachael Gilpin](https://i.sleepadvisor.org/295/823/572/2/Rachael-Gilpin-Image.webp)](https://www.sleepadvisor.org/rachael-gilpin/) ## Written by [Rachael Gilpin, Content Writer](https://www.sleepadvisor.org/rachael-gilpin/) ### Our Research Process Here at Sleep Advisor, our editorial team utilizes reputable sources and expert feedback to provide well-researched sleep health content. For more details, read our full editorial policy. ### In This Article Experiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind. » When we go to bed, it’s easy to assume that we drift off to sleep and there’s a clear distinction between our conscious and unconscious states. However, the brain undergoes a shutdown process as we enter sleep mode, and if we have poor sleep hygiene, acute stress, or chemical imbalances, we could experience [brainwave dysregulation](http://www.proneurohealth.com/neurofeedback/brainwave-dysregulation.html#:~:text=What%20is%20Brainwave%20Dysregulation%3F,food%20sensitivities%2C%20drugs%20or%20subluxation.)1. As a result, we might experience odd sensations at bedtime. ## Weird Feelings When Trying to Fall Asleep ### Breathing Difficulties Difficulty breathing when drifting off to sleep isn’t entirely uncommon, and one cause could be [central sleep apnea](https://www.sleepadvisor.org/central-sleep-apnea-treatment/). This occurs when the [brain doesn’t transmit](https://www.mayoclinic.org/diseases-conditions/central-sleep-apnea/symptoms-causes/syc-20352109)2 the proper signals to the muscles that control your breathing. Sometimes, you may feel tightness in your chest, while other times it could feel as though you’re choking. It may seem like there’s something caught in the back of your throat or your mouth has become excessively dry. Get More Info: [Sleep-Related Breathing Disorders](https://www.sleepadvisor.org/sleep-related-breathing-disorder/) ### Sinking, Dropping, or Falling Feeling like you’re sinking, dropping, or falling can be particularly startling. These sensations can jar you from the brink of sleep into being wide awake. Usually, you’ll be jolted awake by the sensation that you’re dropping off a cliff or that you’ve just had a fall and are about to experience a painful landing. The term for this is “[sleep myoclonus](https://health.clevelandclinic.org/why-do-i-feel-like-im-falling-when-im-falling-asleep-video/)3” or “hypnic myoclonus,” and it occurs when your brain is shifting from one sleep phase to another. The physical jerks that happen as a result are referred to as “[hypnagogic jerks](https://www.sleepadvisor.org/hypnic-jerking/),” and they most often appear during the light stage of sleep right as you’re drifting off. ### A Throbbing Headache [Hypnic headaches](https://www.ncbi.nlm.nih.gov/books/NBK557598/#:~:text=Hypnic%20headache%20$HH$%20is%20a,of%20headache%20disorders.%5B3%5D)4 are rare, and they are characterized by frequent headaches that only occur during sleep. They’re sometimes referred to as “alarm clock” headaches due to the fact they occur at night and jolt a sleeper awake. They can last anywhere from a few minutes to a few hours, and can significantly impair your ability to rest.4 ### A Sense of Panic or Worry [Nocturnal panic attacks](https://www.mayoclinic.org/diseases-conditions/panic-attacks/expert-answers/panic-attacks/faq-20057984)5 or worry as you’re falling asleep often occur with no clear trigger, but they can awaken you suddenly. Similar to daytime panic attacks, you could experience a racing heartbeat, sweating, or hyperventilation. While they can be extremely uncomfortable and scary, they are typically not dangerous. The exact cause of nocturnal panic attacks is not known, but underlying factors such as genetics, anxiety, sleep disorders, or thyroid problems may contribute to them.5 ### Itchy Sensations When we fall asleep, our brain and body are in constant communication as “shutdown mode” ensues. [Itching during sleep](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4702205/)6 may be due to an underlying dermatological disease, or it may be a symptom of [parasomnia](https://www.sleepadvisor.org/sleep-disorder-parasomnia/) (sleep disorder). Few studies have been done about this issue, and while recordings have been made observing sleep fragmentation, skin injury, intermittent awakenings, scars, and keloid formation, the cause (and potential treatment) remains speculative.6 ### Brain Zaps [Brain zaps](https://pubmed.ncbi.nlm.nih.gov/30605268/)7 are often described as a jolt or a “buzz in the head.” They may be experienced [in conjunction with](https://www.psychiatrist.com/news/study-tackles-the-mystery-of-brain-zaps-in-antidepressant-withdrawal/)8 vertigo, confusion, or even a crackle or “whooshing” sound. They are often observed upon the discontinuation of antidepressants, so going off this type of medication is important to do under the guidance of a medical professional.7 ## What Causes Weird Sensations When Falling Asleep? ### Anxiety Heart palpitations, sweating, trembling, and shortness of breath are all symptoms of [an anxiety attack](https://www.nhs.uk/mental-health/feelings-symptoms-behaviours/feelings-and-symptoms/anxiety-fear-panic/)9. There are other signs as well, but these are a few of the most common. Naturally, if you’re in the throes of a panic attack while you’re going to bed, it’s going to keep you awake. Even if you’re not experiencing a full-on panic attack, [generalized anxiety disorder](https://www.hopkinsmedicine.org/health/conditions-and-diseases/generalized-anxiety-disorder#:~:text=GAD%20means%20that%20you%20are,money%2C%20family%2C%20or%20work.)10 can easily keep you awake, especially if you develop what is called “[sleep anxiety](https://my.clevelandclinic.org/health/diseases/21543-sleep-anxiety)11.” This is when somebody develops anxiety around bedtime, often a severe nervousness about going to sleep or a fear of not being able to go to sleep. Learn More: [Anxiety and Sleep](https://www.sleepadvisor.org/anxiety-and-sleep/) ### Sleep Disorder You may be experiencing a [sleep disorder](https://www.sleepadvisor.org/sleep-disorders/) that’s causing odd feelings to occur while you’re trying to fall asleep. For example, sleep apnea could cause shortness of breath.2 The good news is that addressing the source of the sleep disorder could make these issues go away, so be sure to speak to your doctor if you feel you may have one. Find Out More: The Most Common [Sleep Disorders](https://www.sleepadvisor.org/sleep-disorders/) ### Sleep Deprivation Whether you’re on an unconventional schedule or you have [insomnia](https://www.sleepadvisor.org/insomnia/), sleep deprivation could trigger all sorts of unexpected consequences, including all of the strange feelings described above. When we don’t get enough sleep, the brain’s [connections are impacted](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10330732/)12. This is because sleep deprivation triggers brain cells called “astrocytes” to start breaking down various brain connections, which can lead to various sleep deprivation-related brain disorders and odd sensations. Read More: Surprising Link Between [Sleep Deprivation & Psychosis](https://www.sleepadvisor.org/sleep/deprivation/) ### Sleeping Environment When you’re in an unfamiliar place, like a hotel or friend’s house, your [body is on high alert](https://www.cell.com/current-biology/fulltext/S0960-9822$16$30174-9)13 and you’re likely to feel more anxious. This heightened anxiety could then trigger strange feelings and electrical head shocks, which is referred to as “The First Night Effect.” If you tend to experience this when you’re in a strange room, try traveling with something that reminds you of your bedroom at home, like a pillow or familiar blanket, to help ease your mind. ### Illnesses Some illnesses and parasites could be responsible for odd sleep sensations. [Lyme disease](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5481283/)14, for example, could cause sleep issues like insomnia, hallucinogenic dreams, or panic attacks if the disease is serious enough. Parasites could also be the culprit. Not only can various types of parasites [cause insomnia](https://www.researchgate.net/publication/281413114_The_Bidirectional_Relationship_between_Sleep_and_Immunity_against_Infections)15 and disturbances to sleep, but they can also cause abnormalities in the brain. ### Drugs and Alcohol Certain addictive drugs and alcohol have a [disruptive effect on sleep](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4660250/#:~:text=Drugs%20of%20abuse%20and%20alcohol,eye%20movement%20$REM$%20sleep.)16, potentially impacting your ability to fall asleep, stay asleep, and spend enough time in each stage of sleep. What’s more, is that certain drugs and alcohol raise your brain’s levels of both [serotonin](https://my.clevelandclinic.org/health/articles/22572-serotonin)17 and GABA, or [gamma-aminobutyric acid](https://www.ncbi.nlm.nih.gov/books/NBK513311/)18, temporarily. When the levels crash back down, this could cause all sorts of strange sensations, including brain zaps, and certainly increase your level of anxiety. ### Caffeine Caffeine is considered to be a stimulant, and it generally stays in the system anywhere from [two to 10 hours](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6292246/)19. That said, some research shows that it could have residual effects for up to 20 hours after consumption. This means this stimulant undoubtedly has an impact on your sleep. In fact, one of the most common side effects of caffeine is sleep deprivation.19 As we’ve seen already, sleep deprivation on its own can lead to strange sensations when falling asleep, and caffeine, in particular, has been linked to [restless leg syndrome](https://www.health.harvard.edu/a_to_z/restless-legs-syndrome-a-to-z)20, headaches, anxiety, and, of course, insomnia.19 ## What Causes Brain Zaps? One of the primary causes is withdrawal from medications that regulate serotonin and GABA levels in the brain. So, if you’ve recently stopped taking an antidepressant, for example, then you may experience these zaps.7 You probably already know that serotonin is a happiness and sleep chemical, but you might not have heard of GABA before reading this article. It stands for gamma-aminobutyric acid, and its role in the brain is to “calm” activity in the brain.18 It’s believed that low or insufficient levels of GABA could cause a mild (not threatening) seizure that is, in reality, a brain zap. ## How to Reduce Nighttime Anxiety ### Identify Your Worries Since anxiety is a known trigger, make an effort to reduce the amount that you worry, especially before bed. Think about what’s causing you to feel this way and write down ideas for solutions. Journaling, meditation, and exercise are all great anxiety management tools. Even a short walk around the block alone could make a significant difference in your mood. ### Meditate Meditation is an effective way to clear the mind and ease anxiety. You can listen to free guided meditation videos on YouTube or through apps like HeadSpace and Insight Timer. If you prefer something unique, autonomous sensory meridian response (ASMR) videos could trigger pleasant sensations and help you fall asleep without incident. Need more info? Learn how to [meditate before sleep](https://www.sleepadvisor.org/meditate-before-sleep/) here. ### Seek Professional Help If these weird feelings and head shocks occur nightly and are affecting your ability to sleep, talk with your physician. There could be an underlying problem, or you may need to resume taking medication if you’ve recently stopped a prescription. Working with a licensed psychiatrist if you have a chemical disorder or your primary care physician could be the best place to start for more general questions. ## Frequently Asked Questions Why do I get weird sensations when I’m falling asleep? Sensations like falling, jerking awake, panic, restless legs, and even itching are relatively common when falling asleep. These may be due to underlying stress or anxiety, a sleep disorder like restless leg syndrome, withdrawal from certain drugs or medications, sleep deprivation, an illness, or too much alcohol or caffeine. If the weird sensations you’re experiencing are regular or disrupting your sleep, it doesn’t hurt to speak to your doctor about them. They may ask you to modify your diet, habits, or medications. What are the symptoms of a neurological sleep disorder? A [neurological sleep disorder](https://www.pennmedicine.org/for-patients-and-visitors/find-a-program-or-service/neurology/sleep-conditions)21 is when a neurological condition disrupts the brain’s ability to control sleep and wakefulness. Examples include central sleep apnea, central nervous system hypersomnia, circadian rhythm disorders, narcolepsy, parasomnias, REM sleep behavior disorders, and fatal familial insomnia. Depending on what the neurological sleep disorder is, symptoms will vary widely. For example, symptoms of central sleep apnea include snoring, insomnia, and difficulty breathing through the night.2 [Symptoms of parasomnias](https://www.sleepadvisor.org/sleep-disorder-parasomnia/), on the other hand, might include talking or walking in your sleep, or night terrors. If you are exhibiting strange behaviors or experiencing strange sensations during sleep, you should speak to your doctor who may refer you to a sleep specialist. A sleep study can help to determine whether you’re experiencing something neurological or not. Why do I get strange thoughts when falling asleep? When the brain shifts from wakefulness to sleep, it is common to experience strange, often random thoughts, see an array of images, or experience odd, short dreams. These [hypnagogic hallucinations](https://my.clevelandclinic.org/health/articles/23234-hypnagogic-hallucinations)22 may be trippy, but they’re quite normal and safe. Additionally, many people experience an uptick in their levels of anxiety and worry at night, which could account for strange, intrusive thoughts when falling asleep.9 ![Rachael Gilpin](https://i.sleepadvisor.org/416/651/164/5/Rachael-Gilpin-Image-1024x995.webp) ## Rachael Gilpin Content Writer ### About Author Rachael is a content writer for Sleep Advisor who loves combining her enthusiasm for writing and wellness. References:** 1. “Brainwave Dysregulation”. ProNeuro Medical Group. Webpage accessed March 21, 2024. 2. “Central sleep apnea”. Mayo Clinic. Last modified July 11, 2023. 3. “Why Do I Feel Like I’m Falling or Twitching As I’m Falling Asleep?”. Cleveland Clinic. 2020. 4. Khalili, Yasir Al., Pooja, Chopra.“Hynic Headaches”. StatPearls. Last update April 10, 2023. 5. Sawchuk, Craig N. “Nocturnal panic attacks: What causes them?”. Mayo Clinic. 2018. 6. Nigam, Gaurav. “Sleep Related Scratching: A Distinct Parasomnia?”. Journal of Clinical Sleep Medicine. 2016\. 7. Papp, Alexander., Onton, Julie A. “Brain Zaps: An Underappreciated Symptom of Antidepressant Discontinuation”. Primary Care Companion for CNS Disorders. 2018. 8. Neporent, Liz. “Study Tackles the Mystery of Brain Zaps in Antidepressant Withdrawal”. Psychiatrist.com. 2023. 9. “Anxiety, fear and panic”. National Health Service. Last modified January 17, 2023. 10. “Generalized Anxiety Disorder (GAD)”. Johns Hopkins University. Webpage accessed March 15, 2024. 11. “Sleep Anxiety”. Cleveland Clinic. Last modified June 13, 2021. 12. Que, Mengxin., et. al. “Role of astrocytes in sleep deprivation: accomplices, resisters, or bystanders?”. Frontiers in Cellular Neuroscience. 2023. 13. Tamaki, Masako., et. al. “Night Watch in One Brain Hemisphere during Sleep Associated with the First-Night Effect in Humans”. Current Biology. 2016. 14. Bransfield, Robert C. “Suicide and Lyme and associated diseases”. Neuropsychiatric Disease and Treatment. 2017. 15. Ibarra-Coronado, Elizabeth., et al. “The Bidirectional Relationship between Sleep and Immunity against Infections”. Journal of Immunology Research. 2015\. 16. Roehrs, Timothy A., Roth, Thomas. “Sleep Disturbance in Substance Use Disorders”. Psychiatric Clinics of North America. 2015. 17. “Serotonin”. Cleveland Clinic. Last modified March 18, 2022. 18. Jewett, Benjamin E., Sharma, Sandeep.“Physiology, GABA”. Stat Pearls. Last modified July 24, 2023. 19. O’Callaghan, Frances., et. al. “Effects of caffeine on sleep quality and daytime functioning”. Risk Management and Healthcare Policy. 2018. 20. “Restless legs syndrome”. Harvard Health Publishing. 2023. 21. “Neurology – Sleep Conditions”. Penn Medicine. Webpage accessed March 21, 2024. 22. “Hypnagogic Hallucinations”. Cleveland Clinic. 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Readable Markdown	Transparency Disclosure — We may receive a referral fee for products purchased through the links on our site…[Read More](https://sleepadvisor.org/disclosures/). ### Our Research Process Here at Sleep Advisor, our editorial team utilizes reputable sources and expert feedback to provide well-researched sleep health content. For more details, read our full editorial policy. ### In This Article Experiencing weird sensations at bedtime? Our sleep experts and medical experts have some explanations that will ease your mind. When we go to bed, it’s easy to assume that we drift off to sleep and there’s a clear distinction between our conscious and unconscious states. However, the brain undergoes a shutdown process as we enter sleep mode, and if we have poor sleep hygiene, acute stress, or chemical imbalances, we could experience [brainwave dysregulation](http://www.proneurohealth.com/neurofeedback/brainwave-dysregulation.html#:~:text=What%20is%20Brainwave%20Dysregulation%3F,food%20sensitivities%2C%20drugs%20or%20subluxation.)1. As a result, we might experience odd sensations at bedtime. ## Weird Feelings When Trying to Fall Asleep ### Breathing Difficulties Difficulty breathing when drifting off to sleep isn’t entirely uncommon, and one cause could be [central sleep apnea](https://www.sleepadvisor.org/central-sleep-apnea-treatment/). This occurs when the [brain doesn’t transmit](https://www.mayoclinic.org/diseases-conditions/central-sleep-apnea/symptoms-causes/syc-20352109)2 the proper signals to the muscles that control your breathing. Sometimes, you may feel tightness in your chest, while other times it could feel as though you’re choking. It may seem like there’s something caught in the back of your throat or your mouth has become excessively dry. Get More Info: [Sleep-Related Breathing Disorders](https://www.sleepadvisor.org/sleep-related-breathing-disorder/) ### Sinking, Dropping, or Falling Feeling like you’re sinking, dropping, or falling can be particularly startling. These sensations can jar you from the brink of sleep into being wide awake. Usually, you’ll be jolted awake by the sensation that you’re dropping off a cliff or that you’ve just had a fall and are about to experience a painful landing. The term for this is “[sleep myoclonus](https://health.clevelandclinic.org/why-do-i-feel-like-im-falling-when-im-falling-asleep-video/)3” or “hypnic myoclonus,” and it occurs when your brain is shifting from one sleep phase to another. The physical jerks that happen as a result are referred to as “[hypnagogic jerks](https://www.sleepadvisor.org/hypnic-jerking/),” and they most often appear during the light stage of sleep right as you’re drifting off. ### A Throbbing Headache [Hypnic headaches](https://www.ncbi.nlm.nih.gov/books/NBK557598/#:~:text=Hypnic%20headache%20$HH$%20is%20a,of%20headache%20disorders.%5B3%5D)4 are rare, and they are characterized by frequent headaches that only occur during sleep. They’re sometimes referred to as “alarm clock” headaches due to the fact they occur at night and jolt a sleeper awake. They can last anywhere from a few minutes to a few hours, and can significantly impair your ability to rest.4 ### A Sense of Panic or Worry [Nocturnal panic attacks](https://www.mayoclinic.org/diseases-conditions/panic-attacks/expert-answers/panic-attacks/faq-20057984)5 or worry as you’re falling asleep often occur with no clear trigger, but they can awaken you suddenly. Similar to daytime panic attacks, you could experience a racing heartbeat, sweating, or hyperventilation. While they can be extremely uncomfortable and scary, they are typically not dangerous. The exact cause of nocturnal panic attacks is not known, but underlying factors such as genetics, anxiety, sleep disorders, or thyroid problems may contribute to them.5 ### Itchy Sensations When we fall asleep, our brain and body are in constant communication as “shutdown mode” ensues. [Itching during sleep](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4702205/)6 may be due to an underlying dermatological disease, or it may be a symptom of [parasomnia](https://www.sleepadvisor.org/sleep-disorder-parasomnia/) (sleep disorder). Few studies have been done about this issue, and while recordings have been made observing sleep fragmentation, skin injury, intermittent awakenings, scars, and keloid formation, the cause (and potential treatment) remains speculative.6 ### Brain Zaps [Brain zaps](https://pubmed.ncbi.nlm.nih.gov/30605268/)7 are often described as a jolt or a “buzz in the head.” They may be experienced [in conjunction with](https://www.psychiatrist.com/news/study-tackles-the-mystery-of-brain-zaps-in-antidepressant-withdrawal/)8 vertigo, confusion, or even a crackle or “whooshing” sound. They are often observed upon the discontinuation of antidepressants, so going off this type of medication is important to do under the guidance of a medical professional.7 ## What Causes Weird Sensations When Falling Asleep? ### Anxiety Heart palpitations, sweating, trembling, and shortness of breath are all symptoms of [an anxiety attack](https://www.nhs.uk/mental-health/feelings-symptoms-behaviours/feelings-and-symptoms/anxiety-fear-panic/)9. There are other signs as well, but these are a few of the most common. Naturally, if you’re in the throes of a panic attack while you’re going to bed, it’s going to keep you awake. Even if you’re not experiencing a full-on panic attack, [generalized anxiety disorder](https://www.hopkinsmedicine.org/health/conditions-and-diseases/generalized-anxiety-disorder#:~:text=GAD%20means%20that%20you%20are,money%2C%20family%2C%20or%20work.)10 can easily keep you awake, especially if you develop what is called “[sleep anxiety](https://my.clevelandclinic.org/health/diseases/21543-sleep-anxiety)11.” This is when somebody develops anxiety around bedtime, often a severe nervousness about going to sleep or a fear of not being able to go to sleep. Learn More: [Anxiety and Sleep](https://www.sleepadvisor.org/anxiety-and-sleep/) ### Sleep Disorder You may be experiencing a [sleep disorder](https://www.sleepadvisor.org/sleep-disorders/) that’s causing odd feelings to occur while you’re trying to fall asleep. For example, sleep apnea could cause shortness of breath.2 The good news is that addressing the source of the sleep disorder could make these issues go away, so be sure to speak to your doctor if you feel you may have one. Find Out More: The Most Common [Sleep Disorders](https://www.sleepadvisor.org/sleep-disorders/) ### Sleep Deprivation Whether you’re on an unconventional schedule or you have [insomnia](https://www.sleepadvisor.org/insomnia/), sleep deprivation could trigger all sorts of unexpected consequences, including all of the strange feelings described above. When we don’t get enough sleep, the brain’s [connections are impacted](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10330732/)12. This is because sleep deprivation triggers brain cells called “astrocytes” to start breaking down various brain connections, which can lead to various sleep deprivation-related brain disorders and odd sensations. Read More: Surprising Link Between [Sleep Deprivation & Psychosis](https://www.sleepadvisor.org/sleep/deprivation/) ### Sleeping Environment When you’re in an unfamiliar place, like a hotel or friend’s house, your [body is on high alert](https://www.cell.com/current-biology/fulltext/S0960-9822$16$30174-9)13 and you’re likely to feel more anxious. This heightened anxiety could then trigger strange feelings and electrical head shocks, which is referred to as “The First Night Effect.” If you tend to experience this when you’re in a strange room, try traveling with something that reminds you of your bedroom at home, like a pillow or familiar blanket, to help ease your mind. ### Illnesses Some illnesses and parasites could be responsible for odd sleep sensations. [Lyme disease](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5481283/)14, for example, could cause sleep issues like insomnia, hallucinogenic dreams, or panic attacks if the disease is serious enough. Parasites could also be the culprit. Not only can various types of parasites [cause insomnia](https://www.researchgate.net/publication/281413114_The_Bidirectional_Relationship_between_Sleep_and_Immunity_against_Infections)15 and disturbances to sleep, but they can also cause abnormalities in the brain. ### Drugs and Alcohol Certain addictive drugs and alcohol have a [disruptive effect on sleep](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4660250/#:~:text=Drugs%20of%20abuse%20and%20alcohol,eye%20movement%20$REM$%20sleep.)16, potentially impacting your ability to fall asleep, stay asleep, and spend enough time in each stage of sleep. What’s more, is that certain drugs and alcohol raise your brain’s levels of both [serotonin](https://my.clevelandclinic.org/health/articles/22572-serotonin)17 and GABA, or [gamma-aminobutyric acid](https://www.ncbi.nlm.nih.gov/books/NBK513311/)18, temporarily. When the levels crash back down, this could cause all sorts of strange sensations, including brain zaps, and certainly increase your level of anxiety. ### Caffeine Caffeine is considered to be a stimulant, and it generally stays in the system anywhere from [two to 10 hours](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6292246/)19. That said, some research shows that it could have residual effects for up to 20 hours after consumption. This means this stimulant undoubtedly has an impact on your sleep. In fact, one of the most common side effects of caffeine is sleep deprivation.19 As we’ve seen already, sleep deprivation on its own can lead to strange sensations when falling asleep, and caffeine, in particular, has been linked to [restless leg syndrome](https://www.health.harvard.edu/a_to_z/restless-legs-syndrome-a-to-z)20, headaches, anxiety, and, of course, insomnia.19 ## What Causes Brain Zaps? One of the primary causes is withdrawal from medications that regulate serotonin and GABA levels in the brain. So, if you’ve recently stopped taking an antidepressant, for example, then you may experience these zaps.7 You probably already know that serotonin is a happiness and sleep chemical, but you might not have heard of GABA before reading this article. It stands for gamma-aminobutyric acid, and its role in the brain is to “calm” activity in the brain.18 It’s believed that low or insufficient levels of GABA could cause a mild (not threatening) seizure that is, in reality, a brain zap. ## How to Reduce Nighttime Anxiety ### Identify Your Worries Since anxiety is a known trigger, make an effort to reduce the amount that you worry, especially before bed. Think about what’s causing you to feel this way and write down ideas for solutions. Journaling, meditation, and exercise are all great anxiety management tools. Even a short walk around the block alone could make a significant difference in your mood. ### Meditate Meditation is an effective way to clear the mind and ease anxiety. You can listen to free guided meditation videos on YouTube or through apps like HeadSpace and Insight Timer. If you prefer something unique, autonomous sensory meridian response (ASMR) videos could trigger pleasant sensations and help you fall asleep without incident. Need more info? Learn how to [meditate before sleep](https://www.sleepadvisor.org/meditate-before-sleep/) here. ### Seek Professional Help If these weird feelings and head shocks occur nightly and are affecting your ability to sleep, talk with your physician. There could be an underlying problem, or you may need to resume taking medication if you’ve recently stopped a prescription. Working with a licensed psychiatrist if you have a chemical disorder or your primary care physician could be the best place to start for more general questions. ## Frequently Asked Questions Why do I get weird sensations when I’m falling asleep? Sensations like falling, jerking awake, panic, restless legs, and even itching are relatively common when falling asleep. These may be due to underlying stress or anxiety, a sleep disorder like restless leg syndrome, withdrawal from certain drugs or medications, sleep deprivation, an illness, or too much alcohol or caffeine. If the weird sensations you’re experiencing are regular or disrupting your sleep, it doesn’t hurt to speak to your doctor about them. They may ask you to modify your diet, habits, or medications. What are the symptoms of a neurological sleep disorder? A [neurological sleep disorder](https://www.pennmedicine.org/for-patients-and-visitors/find-a-program-or-service/neurology/sleep-conditions)21 is when a neurological condition disrupts the brain’s ability to control sleep and wakefulness. Examples include central sleep apnea, central nervous system hypersomnia, circadian rhythm disorders, narcolepsy, parasomnias, REM sleep behavior disorders, and fatal familial insomnia. Depending on what the neurological sleep disorder is, symptoms will vary widely. For example, symptoms of central sleep apnea include snoring, insomnia, and difficulty breathing through the night.2 [Symptoms of parasomnias](https://www.sleepadvisor.org/sleep-disorder-parasomnia/), on the other hand, might include talking or walking in your sleep, or night terrors. If you are exhibiting strange behaviors or experiencing strange sensations during sleep, you should speak to your doctor who may refer you to a sleep specialist. A sleep study can help to determine whether you’re experiencing something neurological or not. Why do I get strange thoughts when falling asleep? When the brain shifts from wakefulness to sleep, it is common to experience strange, often random thoughts, see an array of images, or experience odd, short dreams. These [hypnagogic hallucinations](https://my.clevelandclinic.org/health/articles/23234-hypnagogic-hallucinations)22 may be trippy, but they’re quite normal and safe. Additionally, many people experience an uptick in their levels of anxiety and worry at night, which could account for strange, intrusive thoughts when falling asleep.9 ![Rachael Gilpin](https://i.sleepadvisor.org/416/651/164/5/Rachael-Gilpin-Image-1024x995.webp) ## Rachael Gilpin Content Writer ### About Author Rachael is a content writer for Sleep Advisor who loves combining her enthusiasm for writing and wellness. References: 1. “Brainwave Dysregulation”. ProNeuro Medical Group. Webpage accessed March 21, 2024. 2. “Central sleep apnea”. Mayo Clinic. Last modified July 11, 2023. 3. “Why Do I Feel Like I’m Falling or Twitching As I’m Falling Asleep?”. Cleveland Clinic. 2020. 4. Khalili, Yasir Al., Pooja, Chopra.“Hynic Headaches”. StatPearls. Last update April 10, 2023. 5. Sawchuk, Craig N. “Nocturnal panic attacks: What causes them?”. Mayo Clinic. 2018. 6. Nigam, Gaurav. “Sleep Related Scratching: A Distinct Parasomnia?”. Journal of Clinical Sleep Medicine. 2016\. 7. Papp, Alexander., Onton, Julie A. “Brain Zaps: An Underappreciated Symptom of Antidepressant Discontinuation”. Primary Care Companion for CNS Disorders. 2018. 8. Neporent, Liz. “Study Tackles the Mystery of Brain Zaps in Antidepressant Withdrawal”. Psychiatrist.com. 2023. 9. “Anxiety, fear and panic”. National Health Service. Last modified January 17, 2023. 10. “Generalized Anxiety Disorder (GAD)”. Johns Hopkins University. Webpage accessed March 15, 2024. 11. “Sleep Anxiety”. Cleveland Clinic. Last modified June 13, 2021. 12. Que, Mengxin., et. al. “Role of astrocytes in sleep deprivation: accomplices, resisters, or bystanders?”. Frontiers in Cellular Neuroscience. 2023. 13. Tamaki, Masako., et. al. “Night Watch in One Brain Hemisphere during Sleep Associated with the First-Night Effect in Humans”. Current Biology. 2016. 14. Bransfield, Robert C. “Suicide and Lyme and associated diseases”. Neuropsychiatric Disease and Treatment. 2017. 15. Ibarra-Coronado, Elizabeth., et al. “The Bidirectional Relationship between Sleep and Immunity against Infections”. Journal of Immunology Research. 2015\. 16. Roehrs, Timothy A., Roth, Thomas. “Sleep Disturbance in Substance Use Disorders”. Psychiatric Clinics of North America. 2015. 17. “Serotonin”. Cleveland Clinic. Last modified March 18, 2022. 18. Jewett, Benjamin E., Sharma, Sandeep.“Physiology, GABA”. Stat Pearls. Last modified July 24, 2023. 19. O’Callaghan, Frances., et. al. “Effects of caffeine on sleep quality and daytime functioning”. Risk Management and Healthcare Policy. 2018. 20. “Restless legs syndrome”. Harvard Health Publishing. 2023. 21. “Neurology – Sleep Conditions”. Penn Medicine. Webpage accessed March 21, 2024. 22. “Hypnagogic Hallucinations”. Cleveland Clinic. Last modified June 10, 2022.
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