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1. Shard Calculation

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Response:

Calculated Shard: 20 (from laksa186)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa020.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://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/\')), getAhrefsUnparsedNoserviceFromURL(\'https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/","crawl_time":1774245857,"first_indexed_time":1612465569,"http_code":200,"src_unparsed":"ca,psychlinks!forum,\/threads\/melatonin-side-effects-what-are-the-risks.26331\/ s443","src_root_hash":"15364001608867267020","history_drop_reason":null,"meta_title":"Melatonin side effects: What are the risks? | Psychlinks Forum -- Archive Only (2004-2022)","meta_descriptions":["Melatonin side effects: What are the risks? by Brent A. Bauer, M.D., Mayo Clinic Oct. 20, 2011 Is melatonin a helpful sleep aid - and what should I know..."],"attrs_boilerpipe_text":"Articles\nForum Archive\nMedication Issues\nAlternative Medicine & Therapies - Natural Remedies\nMore threads by David Baxter PhD\n#1\nMelatonin side effects: What are the risks?\nby Brent A. Bauer, M.D., Mayo Clinic\nOct. 20, 2011\nIs melatonin a helpful sleep aid - and what should I know about melatonin side effects?\nAnswer\nThe hormone melatonin helps control your natural sleep-wake cycle.  Natural levels of melatonin in the blood are highest at night. Some  research suggests that melatonin supplements might be helpful in  treating jet lag or reducing the time it takes to fall asleep - although  the effect is typically mild. Melatonin might be more effective for  other types of sleep issues, such as delayed sleep disorder or sleep  disorders affecting circadian rhythm.\nThe most common melatonin side effects include:\nDaytime sleepiness\nDizziness\nHeadaches\nOther, less common melatonin side effects might include abdominal  discomfort, mild anxiety, irritability, confusion and short-lasting  feelings of depression.\nIn addition, melatonin supplements can interact with various medications, including:\nBlood-thinning medications (anticoagulants)\nMedications that suppress the immune system (immunosuppressants)\nDiabetes medications\nBirth control pills\nIf you're considering taking melatonin supplements, check with your  doctor first - especially if you have any health conditions. The correct  dose depends on the intended use. For example, circadian rhythm sleep  disorders are often treated with 0.5 milligrams of melatonin a day,  while doses of 3 to 5 milligrams a day might be used to treat jet lag or  reduce the time it takes to fall asleep. In addition, remember that  melatonin is generally recommended only for short-term use - up to two  months. Some research indicates that longer term use might be  appropriate in certain cases, however.\nIf you take melatonin, choose commercial supplements produced in a lab.  Melatonin supplements made from animal sources might contain various  contaminants. Don't engage in activities that require alertness - such  as driving or operating heavy machinery - for four to five hours after  taking melatonin.\nReferences\nMelatonin. Natural Medicines Comprehensive Database.\nWelcome to the Natural Medicines Research Collaboration\n. Accessed July 18, 2011.\nWade AG, et al. Nightly treatment of primary insomnia with  prolonged release melatonin for 6 months: A randomized placebo  controlled trial on age and endogenous melatonin as predictors of  efficacy and safety. BMC Medicine. 2010;8:51.\nVan Geijlswijk IM, et al. The use of exogenous melatonin in delayed sleep phase disorder: A meta-analysis. Sleep. 2010;33:1605.\nWade AG, et al. Prolonged release melatonin in the treatment of  primary insomnia: Evaluation of the age cut-off for short- and long-term  response. Current Medical Research and Opinion. 2011;27:87.\nFerguson SA, et al. Melatonin agonists and insomnia. Expert Review of Neurotherapeutics. 2010;10:305.\nMorgenthaler TI, et al. Practice parameters for the clinical  evaluation and treatment of circadian rhythm sleep disorders. Sleep.  2007;30:1445.\nArticles\nForum Archive\nMedication Issues\nAlternative Medicine & Therapies - Natural Remedies","attrs_markdown":"[![Psychlinks Forum -- Archive Only (2004-2022)](https:\/\/forum.psychlinks.ca\/data\/assets\/logo\/psychlinks-stonehenge-522x164.jpg)](https:\/\/forum.psychlinks.ca\/ams\/)\n\n[![Psychlinks Forum -- Archive Only (2004-2022)](https:\/\/forum.psychlinks.ca\/data\/assets\/logo\/psychlinks-stonehenge-522x164.jpg)](https:\/\/forum.psychlinks.ca\/ams\/)\n\n- [Articles](https:\/\/forum.psychlinks.ca\/ams\/)\n  \n  [New articles](https:\/\/forum.psychlinks.ca\/whats-new\/ams-articles\/)  [New comments](https:\/\/forum.psychlinks.ca\/whats-new\/ams-comments\/)  [Search articles](https:\/\/forum.psychlinks.ca\/search\/?type=ams_article)\n- [Forum Archive](https:\/\/forum.psychlinks.ca\/)\n  \n  [Search forums](https:\/\/forum.psychlinks.ca\/search\/?type=post)\n- [Media](https:\/\/forum.psychlinks.ca\/media\/)\n  \n  [New media](https:\/\/forum.psychlinks.ca\/whats-new\/media\/)  [New comments](https:\/\/forum.psychlinks.ca\/whats-new\/media-comments\/)  [Search media](https:\/\/forum.psychlinks.ca\/search\/?type=xfmg_media)\n- [Resources](https:\/\/forum.psychlinks.ca\/resources\/)\n  \n  [Latest reviews](https:\/\/forum.psychlinks.ca\/resources\/latest-reviews)  [Search resources](https:\/\/forum.psychlinks.ca\/search\/?type=resource)\n- [Books](https:\/\/forum.psychlinks.ca\/books\/)\n  \n  [New ads](https:\/\/forum.psychlinks.ca\/whats-new\/cas-ads\/)   Latest content  [Latest feedback](https:\/\/forum.psychlinks.ca\/books\/latest-feedback)  [Latest questions](https:\/\/forum.psychlinks.ca\/books\/latest-questions)\n  ***\n  [Search books](https:\/\/forum.psychlinks.ca\/search\/?type=cas_ad)\n- [Music & Poetry](https:\/\/forum.psychlinks.ca\/poems\/)\n  \n  [New items](https:\/\/forum.psychlinks.ca\/whats-new\/rms-items\/)  [Latest content](https:\/\/forum.psychlinks.ca\/poems\/latest-reviews)  [Latest reviews](https:\/\/forum.psychlinks.ca\/poems\/latest-reviews)  [Latest questions](https:\/\/forum.psychlinks.ca\/poems\/latest-questions)\n  ***\n  [Search poems](https:\/\/forum.psychlinks.ca\/search\/?type=rms_item)\n- [Quotes](https:\/\/forum.psychlinks.ca\/quotes\/)\n  \n  [New items](https:\/\/forum.psychlinks.ca\/whats-new\/showcase-items\/)  [New comments](https:\/\/forum.psychlinks.ca\/whats-new\/showcase-comments\/)  [Latest content](https:\/\/forum.psychlinks.ca\/quotes\/latest-reviews)  [Latest reviews](https:\/\/forum.psychlinks.ca\/quotes\/latest-reviews)  [Latest updates](https:\/\/forum.psychlinks.ca\/quotes\/latest-updates)\n  ***\n- [Links](https:\/\/forum.psychlinks.ca\/link-directory\/)\n  \n  [New items](https:\/\/forum.psychlinks.ca\/whats-new\/xa-ld-items\/)  [New comments](https:\/\/forum.psychlinks.ca\/whats-new\/xa-ld-comments\/)  [Latest reviews](https:\/\/forum.psychlinks.ca\/link-directory\/latest-reviews)  [Search link directory](https:\/\/forum.psychlinks.ca\/search\/?type=xa_ld_item)  [Mark read](https:\/\/forum.psychlinks.ca\/link-directory\/mark-read?date=1774245858)\n- [Humor](https:\/\/forum.psychlinks.ca\/ims\/)\n  \n  [New items](https:\/\/forum.psychlinks.ca\/whats-new\/ims-items\/)  [Series](https:\/\/forum.psychlinks.ca\/ims\/series\/)   Latest content  [Latest reviews](https:\/\/forum.psychlinks.ca\/ims\/latest-reviews)  [Latest questions](https:\/\/forum.psychlinks.ca\/ims\/latest-questions)  [Latest updates](https:\/\/forum.psychlinks.ca\/ims\/latest-updates)\n  ***\n  [Search items](https:\/\/forum.psychlinks.ca\/search\/?type=ims_item)\n\n[Log in](https:\/\/forum.psychlinks.ca\/login\/)\n\n[What's new](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/%0A\/whats-new\/%0A \"What's new\")   [Search](https:\/\/forum.psychlinks.ca\/search\/ \"Search\")\n\n- [Search forums](https:\/\/forum.psychlinks.ca\/search\/?type=post)\n\nMenu\n\n[Log in](https:\/\/forum.psychlinks.ca\/login\/)\n***\n\nNavigation\n\nInstall the app\n\nInstall\n\nMore options\n\n[Light-Dark Style Switcher](https:\/\/forum.psychlinks.ca\/misc\/style?style_id=16&t=1774245858%2C7dd5183649e98006e0c773e63dd0e127 \"Light-Dark Style Switcher\")\n\n[Close Menu]()\n\n- [Articles](https:\/\/forum.psychlinks.ca\/ams\/)\n- [Forum Archive](https:\/\/forum.psychlinks.ca\/)\n- [Medication Issues](https:\/\/forum.psychlinks.ca\/#medication-issues.69)\n- [Alternative Medicine & Therapies - Natural Remedies](https:\/\/forum.psychlinks.ca\/forums\/alternative-medicine-therapies-natural-remedies.76\/)\n\nJavaScript is disabled. 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It may not display this or other websites correctly.  \nYou should upgrade or use an [alternative browser](https:\/\/www.google.com\/chrome\/).\n\n# [Melatonin side effects: What are the risks?](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/)\n- [Thread starter](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/) [David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n- Start date\n  [Aug 21, 2013](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/)\n\n[More threads by David Baxter PhD](https:\/\/forum.psychlinks.ca\/morethreads\/?t=26331)\n\n- [Aug 21, 2013](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/post-200927)\n\n- [\\#1](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/post-200927)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/m\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n#### [David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n##### Late Founder\n\n[**Melatonin side effects: What are the risks?**](https:\/\/www.mayoclinic.org\/healthy-lifestyle\/adult-health\/expert-answers\/melatonin-side-effects\/faq-20057874)  \n by Brent A. Bauer, M.D., Mayo Clinic  \n Oct. 20, 2011  \n   \n ***Is melatonin a helpful sleep aid - and what should I know about melatonin side effects?***  \n   \n **Answer**  \n The hormone melatonin helps control your natural sleep-wake cycle. Natural levels of melatonin in the blood are highest at night. Some research suggests that melatonin supplements might be helpful in treating jet lag or reducing the time it takes to fall asleep - although the effect is typically mild. Melatonin might be more effective for other types of sleep issues, such as delayed sleep disorder or sleep disorders affecting circadian rhythm.  \n   \n The most common melatonin side effects include:\n\n- Daytime sleepiness\n- Dizziness\n- Headaches\n\nOther, less common melatonin side effects might include abdominal discomfort, mild anxiety, irritability, confusion and short-lasting feelings of depression.  \n   \n In addition, melatonin supplements can interact with various medications, including:\n\n- Blood-thinning medications (anticoagulants)\n- Medications that suppress the immune system (immunosuppressants)\n- Diabetes medications\n- Birth control pills\n\nIf you're considering taking melatonin supplements, check with your doctor first - especially if you have any health conditions. The correct dose depends on the intended use. For example, circadian rhythm sleep disorders are often treated with 0.5 milligrams of melatonin a day, while doses of 3 to 5 milligrams a day might be used to treat jet lag or reduce the time it takes to fall asleep. In addition, remember that melatonin is generally recommended only for short-term use - up to two months. Some research indicates that longer term use might be appropriate in certain cases, however.  \n   \n If you take melatonin, choose commercial supplements produced in a lab. Melatonin supplements made from animal sources might contain various contaminants. Don't engage in activities that require alertness - such as driving or operating heavy machinery - for four to five hours after taking melatonin.  \n   \n **References**\n\n1. Melatonin. Natural Medicines Comprehensive Database. [Welcome to the Natural Medicines Research Collaboration](http:\/\/www.naturaldatabase.com\/). Accessed July 18, 2011.\n2. Wade AG, et al. Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: A randomized placebo controlled trial on age and endogenous melatonin as predictors of efficacy and safety. BMC Medicine. 2010;8:51.\n3. Van Geijlswijk IM, et al. The use of exogenous melatonin in delayed sleep phase disorder: A meta-analysis. Sleep. 2010;33:1605.\n4. Wade AG, et al. Prolonged release melatonin in the treatment of primary insomnia: Evaluation of the age cut-off for short- and long-term response. Current Medical Research and Opinion. 2011;27:87.\n5. Ferguson SA, et al. Melatonin agonists and insomnia. Expert Review of Neurotherapeutics. 2010;10:305.\n6. Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007;30:1445.\n\nReplying is not possible. This forum is only available as an [archive](https:\/\/forum.psychlinks.ca\/threads\/permanent-archive.31765\/).\n\n### Similar threads\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/s\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[Melatonin side effects: What are the risks?](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.7353\/)\n\n- [David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n- [Oct 25, 2007](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.7353\/)\n- [Sleep, Dreams, Insomnia](https:\/\/forum.psychlinks.ca\/forums\/sleep-dreams-insomnia.62\/)\n\nReplies\n\n4\n\nViews\n\n49K\n\n[Sep 12, 2012](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.7353\/latest)\n\n[Darkside](https:\/\/forum.psychlinks.ca\/members\/darkside.4767\/)\n\n[D](https:\/\/forum.psychlinks.ca\/members\/darkside.4767\/)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/s\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[Young Children Increasingly Ingest Melatonin With Serious Outcomes](https:\/\/forum.psychlinks.ca\/threads\/young-children-increasingly-ingest-melatonin-with-serious-outcomes.31485\/)\n\n- [David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n- [Jul 27, 2022](https:\/\/forum.psychlinks.ca\/threads\/young-children-increasingly-ingest-melatonin-with-serious-outcomes.31485\/)\n- [Alternative Medicine & Therapies - Natural Remedies](https:\/\/forum.psychlinks.ca\/forums\/alternative-medicine-therapies-natural-remedies.76\/)\n\nReplies\n\n0\n\nViews\n\n2K\n\n[Jul 27, 2022](https:\/\/forum.psychlinks.ca\/threads\/young-children-increasingly-ingest-melatonin-with-serious-outcomes.31485\/latest)\n\n[David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/s\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[R](https:\/\/forum.psychlinks.ca\/members\/retired.1040\/)\n\n[Valerian vs Melatonin?](https:\/\/forum.psychlinks.ca\/threads\/valerian-vs-melatonin.27760\/)\n\n- [Retired](https:\/\/forum.psychlinks.ca\/members\/retired.1040\/)\n- [Mar 30, 2015](https:\/\/forum.psychlinks.ca\/threads\/valerian-vs-melatonin.27760\/)\n- [Alternative Medicine & Therapies - Natural Remedies](https:\/\/forum.psychlinks.ca\/forums\/alternative-medicine-therapies-natural-remedies.76\/)\n\nReplies\n\n0\n\nViews\n\n6K\n\n[Mar 30, 2015](https:\/\/forum.psychlinks.ca\/threads\/valerian-vs-melatonin.27760\/latest)\n\n[Retired](https:\/\/forum.psychlinks.ca\/members\/retired.1040\/)\n\n[R](https:\/\/forum.psychlinks.ca\/members\/retired.1040\/)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/s\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[Is It Safe to Take Melatonin During Pregnancy?](https:\/\/forum.psychlinks.ca\/threads\/is-it-safe-to-take-melatonin-during-pregnancy.27758\/)\n\n- [David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n- [Mar 30, 2015](https:\/\/forum.psychlinks.ca\/threads\/is-it-safe-to-take-melatonin-during-pregnancy.27758\/)\n- [Alternative Medicine & Therapies - Natural Remedies](https:\/\/forum.psychlinks.ca\/forums\/alternative-medicine-therapies-natural-remedies.76\/)\n\nReplies\n\n0\n\nViews\n\n7K\n\n[Mar 30, 2015](https:\/\/forum.psychlinks.ca\/threads\/is-it-safe-to-take-melatonin-during-pregnancy.27758\/latest)\n\n[David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/s\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/s\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[Taking Melatonin Correctly for Night Owls](https:\/\/forum.psychlinks.ca\/threads\/taking-melatonin-correctly-for-night-owls.25567\/)\n\n- [David Baxter PhD](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n- [Feb 28, 2013](https:\/\/forum.psychlinks.ca\/threads\/taking-melatonin-correctly-for-night-owls.25567\/)\n- [Sleep, Dreams, Insomnia](https:\/\/forum.psychlinks.ca\/forums\/sleep-dreams-insomnia.62\/)\n\nReplies\n\n10\n\nViews\n\n42K\n\n[Mar 3, 2018](https:\/\/forum.psychlinks.ca\/threads\/taking-melatonin-correctly-for-night-owls.25567\/latest)\n\n[Retired](https:\/\/forum.psychlinks.ca\/members\/retired.1040\/)\n\n[R](https:\/\/forum.psychlinks.ca\/members\/retired.1040\/)\n\nShare:\n\n[Facebook]()   [Twitter]()   [Email]()   [Link]()\n\n### Share this page\n[Facebook]()   [Twitter]()   [Email]()   [Link]()\n\n- [Articles](https:\/\/forum.psychlinks.ca\/ams\/)\n- [Forum Archive](https:\/\/forum.psychlinks.ca\/)\n- [Medication Issues](https:\/\/forum.psychlinks.ca\/#medication-issues.69)\n- [Alternative Medicine & Therapies - 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Natural Remedies](https:\/\/forum.psychlinks.ca\/forums\/alternative-medicine-therapies-natural-remedies.76\/)\n\n[More threads by David Baxter PhD](https:\/\/forum.psychlinks.ca\/morethreads\/?t=26331)\n\n- [\\#1](https:\/\/forum.psychlinks.ca\/threads\/melatonin-side-effects-what-are-the-risks.26331\/post-200927)\n\n[![David Baxter PhD](https:\/\/forum.psychlinks.ca\/data\/avatars\/m\/0\/1.jpg?1645098814)](https:\/\/forum.psychlinks.ca\/members\/david-baxter-phd.1\/)\n\n[**Melatonin side effects: What are the risks?**](https:\/\/www.mayoclinic.org\/healthy-lifestyle\/adult-health\/expert-answers\/melatonin-side-effects\/faq-20057874)  \n by Brent A. Bauer, M.D., Mayo Clinic  \n Oct. 20, 2011\n\n***Is melatonin a helpful sleep aid - and what should I know about melatonin side effects?***\n\n**Answer**  \n The hormone melatonin helps control your natural sleep-wake cycle. Natural levels of melatonin in the blood are highest at night. Some research suggests that melatonin supplements might be helpful in treating jet lag or reducing the time it takes to fall asleep - although the effect is typically mild. Melatonin might be more effective for other types of sleep issues, such as delayed sleep disorder or sleep disorders affecting circadian rhythm.\n\nThe most common melatonin side effects include:\n\n- Daytime sleepiness\n- Dizziness\n- Headaches\n\nOther, less common melatonin side effects might include abdominal discomfort, mild anxiety, irritability, confusion and short-lasting feelings of depression.\n\nIn addition, melatonin supplements can interact with various medications, including:\n\n- Blood-thinning medications (anticoagulants)\n- Medications that suppress the immune system (immunosuppressants)\n- Diabetes medications\n- Birth control pills\n\nIf you're considering taking melatonin supplements, check with your doctor first - especially if you have any health conditions. The correct dose depends on the intended use. For example, circadian rhythm sleep disorders are often treated with 0.5 milligrams of melatonin a day, while doses of 3 to 5 milligrams a day might be used to treat jet lag or reduce the time it takes to fall asleep. In addition, remember that melatonin is generally recommended only for short-term use - up to two months. Some research indicates that longer term use might be appropriate in certain cases, however.\n\nIf you take melatonin, choose commercial supplements produced in a lab. Melatonin supplements made from animal sources might contain various contaminants. Don't engage in activities that require alertness - such as driving or operating heavy machinery - for four to five hours after taking melatonin.\n\n**References**\n\n1. Melatonin. Natural Medicines Comprehensive Database. [Welcome to the Natural Medicines Research Collaboration](http:\/\/www.naturaldatabase.com\/). Accessed July 18, 2011.\n2. Wade AG, et al. Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: A randomized placebo controlled trial on age and endogenous melatonin as predictors of efficacy and safety. BMC Medicine. 2010;8:51.\n3. Van Geijlswijk IM, et al. The use of exogenous melatonin in delayed sleep phase disorder: A meta-analysis. Sleep. 2010;33:1605.\n4. Wade AG, et al. Prolonged release melatonin in the treatment of primary insomnia: Evaluation of the age cut-off for short- and long-term response. Current Medical Research and Opinion. 2011;27:87.\n5. Ferguson SA, et al. Melatonin agonists and insomnia. Expert Review of Neurotherapeutics. 2010;10:305.\n6. Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. 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Meta Description	Melatonin side effects: What are the risks? by Brent A. Bauer, M.D., Mayo Clinic Oct. 20, 2011 Is melatonin a helpful sleep aid - and what should I know...
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Boilerpipe Text	Articles Forum Archive Medication Issues Alternative Medicine & Therapies - Natural Remedies More threads by David Baxter PhD #1 Melatonin side effects: What are the risks? by Brent A. Bauer, M.D., Mayo Clinic Oct. 20, 2011 Is melatonin a helpful sleep aid - and what should I know about melatonin side effects? Answer The hormone melatonin helps control your natural sleep-wake cycle. Natural levels of melatonin in the blood are highest at night. Some research suggests that melatonin supplements might be helpful in treating jet lag or reducing the time it takes to fall asleep - although the effect is typically mild. Melatonin might be more effective for other types of sleep issues, such as delayed sleep disorder or sleep disorders affecting circadian rhythm. The most common melatonin side effects include: Daytime sleepiness Dizziness Headaches Other, less common melatonin side effects might include abdominal discomfort, mild anxiety, irritability, confusion and short-lasting feelings of depression. In addition, melatonin supplements can interact with various medications, including: Blood-thinning medications (anticoagulants) Medications that suppress the immune system (immunosuppressants) Diabetes medications Birth control pills If you're considering taking melatonin supplements, check with your doctor first - especially if you have any health conditions. The correct dose depends on the intended use. For example, circadian rhythm sleep disorders are often treated with 0.5 milligrams of melatonin a day, while doses of 3 to 5 milligrams a day might be used to treat jet lag or reduce the time it takes to fall asleep. In addition, remember that melatonin is generally recommended only for short-term use - up to two months. Some research indicates that longer term use might be appropriate in certain cases, however. If you take melatonin, choose commercial supplements produced in a lab. Melatonin supplements made from animal sources might contain various contaminants. Don't engage in activities that require alertness - such as driving or operating heavy machinery - for four to five hours after taking melatonin. References Melatonin. Natural Medicines Comprehensive Database. Welcome to the Natural Medicines Research Collaboration . Accessed July 18, 2011. Wade AG, et al. Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: A randomized placebo controlled trial on age and endogenous melatonin as predictors of efficacy and safety. BMC Medicine. 2010;8:51. Van Geijlswijk IM, et al. The use of exogenous melatonin in delayed sleep phase disorder: A meta-analysis. Sleep. 2010;33:1605. Wade AG, et al. Prolonged release melatonin in the treatment of primary insomnia: Evaluation of the age cut-off for short- and long-term response. Current Medical Research and Opinion. 2011;27:87. Ferguson SA, et al. Melatonin agonists and insomnia. Expert Review of Neurotherapeutics. 2010;10:305. Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007;30:1445. Articles Forum Archive Medication Issues Alternative Medicine & Therapies - Natural Remedies
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For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an [alternative browser](https://www.google.com/chrome/). # [Melatonin side effects: What are the risks?](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/) - [Thread starter](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/) [David Baxter PhD](https://forum.psychlinks.ca/members/david-baxter-phd.1/) - Start date [Aug 21, 2013](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/) [More threads by David Baxter PhD](https://forum.psychlinks.ca/morethreads/?t=26331) - [Aug 21, 2013](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/post-200927) - [\#1](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/post-200927) [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/m/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) #### [David Baxter PhD](https://forum.psychlinks.ca/members/david-baxter-phd.1/) ##### Late Founder [Melatonin side effects: What are the risks?](https://www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/melatonin-side-effects/faq-20057874) by Brent A. Bauer, M.D., Mayo Clinic Oct. 20, 2011 Is melatonin a helpful sleep aid - and what should I know about melatonin side effects? Answer The hormone melatonin helps control your natural sleep-wake cycle. Natural levels of melatonin in the blood are highest at night. Some research suggests that melatonin supplements might be helpful in treating jet lag or reducing the time it takes to fall asleep - although the effect is typically mild. Melatonin might be more effective for other types of sleep issues, such as delayed sleep disorder or sleep disorders affecting circadian rhythm. The most common melatonin side effects include: - Daytime sleepiness - Dizziness - Headaches Other, less common melatonin side effects might include abdominal discomfort, mild anxiety, irritability, confusion and short-lasting feelings of depression. In addition, melatonin supplements can interact with various medications, including: - Blood-thinning medications (anticoagulants) - Medications that suppress the immune system (immunosuppressants) - Diabetes medications - Birth control pills If you're considering taking melatonin supplements, check with your doctor first - especially if you have any health conditions. The correct dose depends on the intended use. For example, circadian rhythm sleep disorders are often treated with 0.5 milligrams of melatonin a day, while doses of 3 to 5 milligrams a day might be used to treat jet lag or reduce the time it takes to fall asleep. In addition, remember that melatonin is generally recommended only for short-term use - up to two months. Some research indicates that longer term use might be appropriate in certain cases, however. If you take melatonin, choose commercial supplements produced in a lab. Melatonin supplements made from animal sources might contain various contaminants. Don't engage in activities that require alertness - such as driving or operating heavy machinery - for four to five hours after taking melatonin. References** 1. Melatonin. Natural Medicines Comprehensive Database. [Welcome to the Natural Medicines Research Collaboration](http://www.naturaldatabase.com/). Accessed July 18, 2011. 2. Wade AG, et al. Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: A randomized placebo controlled trial on age and endogenous melatonin as predictors of efficacy and safety. BMC Medicine. 2010;8:51. 3. Van Geijlswijk IM, et al. The use of exogenous melatonin in delayed sleep phase disorder: A meta-analysis. Sleep. 2010;33:1605. 4. Wade AG, et al. Prolonged release melatonin in the treatment of primary insomnia: Evaluation of the age cut-off for short- and long-term response. Current Medical Research and Opinion. 2011;27:87. 5. Ferguson SA, et al. Melatonin agonists and insomnia. Expert Review of Neurotherapeutics. 2010;10:305. 6. Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007;30:1445. Replying is not possible. This forum is only available as an [archive](https://forum.psychlinks.ca/threads/permanent-archive.31765/). ### Similar threads [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/s/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [Melatonin side effects: What are the risks?](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.7353/) - [David Baxter PhD](https://forum.psychlinks.ca/members/david-baxter-phd.1/) - [Oct 25, 2007](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.7353/) - [Sleep, Dreams, Insomnia](https://forum.psychlinks.ca/forums/sleep-dreams-insomnia.62/) Replies 4 Views 49K [Sep 12, 2012](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.7353/latest) [Darkside](https://forum.psychlinks.ca/members/darkside.4767/) [D](https://forum.psychlinks.ca/members/darkside.4767/) [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/s/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [Young Children Increasingly Ingest Melatonin With Serious Outcomes](https://forum.psychlinks.ca/threads/young-children-increasingly-ingest-melatonin-with-serious-outcomes.31485/) - 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[Alternative Medicine & Therapies - Natural Remedies](https://forum.psychlinks.ca/forums/alternative-medicine-therapies-natural-remedies.76/) Replies 0 Views 6K [Mar 30, 2015](https://forum.psychlinks.ca/threads/valerian-vs-melatonin.27760/latest) [Retired](https://forum.psychlinks.ca/members/retired.1040/) [R](https://forum.psychlinks.ca/members/retired.1040/) [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/s/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [Is It Safe to Take Melatonin During Pregnancy?](https://forum.psychlinks.ca/threads/is-it-safe-to-take-melatonin-during-pregnancy.27758/) - [David Baxter PhD](https://forum.psychlinks.ca/members/david-baxter-phd.1/) - [Mar 30, 2015](https://forum.psychlinks.ca/threads/is-it-safe-to-take-melatonin-during-pregnancy.27758/) - [Alternative Medicine & Therapies - Natural Remedies](https://forum.psychlinks.ca/forums/alternative-medicine-therapies-natural-remedies.76/) Replies 0 Views 7K [Mar 30, 2015](https://forum.psychlinks.ca/threads/is-it-safe-to-take-melatonin-during-pregnancy.27758/latest) [David Baxter PhD](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/s/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/s/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [Taking Melatonin Correctly for Night Owls](https://forum.psychlinks.ca/threads/taking-melatonin-correctly-for-night-owls.25567/) - 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Readable Markdown	[![Psychlinks Forum -- Archive Only (2004-2022)](https://forum.psychlinks.ca/data/assets/logo/psychlinks-stonehenge-522x164.jpg)](https://forum.psychlinks.ca/ams/) [![Psychlinks Forum -- Archive Only (2004-2022)](https://forum.psychlinks.ca/data/assets/logo/psychlinks-stonehenge-522x164.jpg)](https://forum.psychlinks.ca/ams/) - [Articles](https://forum.psychlinks.ca/ams/) - [Forum Archive](https://forum.psychlinks.ca/) - [Medication Issues](https://forum.psychlinks.ca/#medication-issues.69) - [Alternative Medicine & Therapies - Natural Remedies](https://forum.psychlinks.ca/forums/alternative-medicine-therapies-natural-remedies.76/) [More threads by David Baxter PhD](https://forum.psychlinks.ca/morethreads/?t=26331) - [\#1](https://forum.psychlinks.ca/threads/melatonin-side-effects-what-are-the-risks.26331/post-200927) [![David Baxter PhD](https://forum.psychlinks.ca/data/avatars/m/0/1.jpg?1645098814)](https://forum.psychlinks.ca/members/david-baxter-phd.1/) [Melatonin side effects: What are the risks?](https://www.mayoclinic.org/healthy-lifestyle/adult-health/expert-answers/melatonin-side-effects/faq-20057874) by Brent A. Bauer, M.D., Mayo Clinic Oct. 20, 2011 *Is melatonin a helpful sleep aid - and what should I know about melatonin side effects?* Answer The hormone melatonin helps control your natural sleep-wake cycle. Natural levels of melatonin in the blood are highest at night. Some research suggests that melatonin supplements might be helpful in treating jet lag or reducing the time it takes to fall asleep - although the effect is typically mild. Melatonin might be more effective for other types of sleep issues, such as delayed sleep disorder or sleep disorders affecting circadian rhythm. The most common melatonin side effects include: - Daytime sleepiness - Dizziness - Headaches Other, less common melatonin side effects might include abdominal discomfort, mild anxiety, irritability, confusion and short-lasting feelings of depression. In addition, melatonin supplements can interact with various medications, including: - Blood-thinning medications (anticoagulants) - Medications that suppress the immune system (immunosuppressants) - Diabetes medications - Birth control pills If you're considering taking melatonin supplements, check with your doctor first - especially if you have any health conditions. The correct dose depends on the intended use. For example, circadian rhythm sleep disorders are often treated with 0.5 milligrams of melatonin a day, while doses of 3 to 5 milligrams a day might be used to treat jet lag or reduce the time it takes to fall asleep. In addition, remember that melatonin is generally recommended only for short-term use - up to two months. Some research indicates that longer term use might be appropriate in certain cases, however. If you take melatonin, choose commercial supplements produced in a lab. Melatonin supplements made from animal sources might contain various contaminants. Don't engage in activities that require alertness - such as driving or operating heavy machinery - for four to five hours after taking melatonin. References 1. Melatonin. Natural Medicines Comprehensive Database. [Welcome to the Natural Medicines Research Collaboration](http://www.naturaldatabase.com/). Accessed July 18, 2011. 2. Wade AG, et al. Nightly treatment of primary insomnia with prolonged release melatonin for 6 months: A randomized placebo controlled trial on age and endogenous melatonin as predictors of efficacy and safety. BMC Medicine. 2010;8:51. 3. Van Geijlswijk IM, et al. The use of exogenous melatonin in delayed sleep phase disorder: A meta-analysis. Sleep. 2010;33:1605. 4. Wade AG, et al. Prolonged release melatonin in the treatment of primary insomnia: Evaluation of the age cut-off for short- and long-term response. Current Medical Research and Opinion. 2011;27:87. 5. Ferguson SA, et al. Melatonin agonists and insomnia. Expert Review of Neurotherapeutics. 2010;10:305. 6. Morgenthaler TI, et al. Practice parameters for the clinical evaluation and treatment of circadian rhythm sleep disorders. Sleep. 2007;30:1445. - [Articles](https://forum.psychlinks.ca/ams/) - [Forum Archive](https://forum.psychlinks.ca/) - [Medication Issues](https://forum.psychlinks.ca/#medication-issues.69) - [Alternative Medicine & Therapies - Natural Remedies](https://forum.psychlinks.ca/forums/alternative-medicine-therapies-natural-remedies.76/)
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