🕷️ Crawler Inspector

URL Lookup

Direct Parameter Lookup

Raw Queries and Responses

1. Shard Calculation

Query:

Response:

Calculated Shard: 39 (from laksa147)

2. Crawled Status Check

Query:

curl -X POST \
  'http://laksa039.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://time.com/7016186/how-much-sleep-do-you-need-age/\')), getAhrefsUnparsedNoserviceFromURL(\'https://time.com/7016186/how-much-sleep-do-you-need-age/\'))) FORMAT JSONEachRow'

Response:

{"found_url":"https:\/\/time.com\/7016186\/how-much-sleep-do-you-need-age\/","crawl_time":1775118421,"first_indexed_time":1725485738,"http_code":200,"src_unparsed":"com,time!\/7016186\/how-much-sleep-do-you-need-age\/ s443","src_root_hash":"9797552172251460839","history_drop_reason":null,"meta_title":"Here's How Much Sleep You Need According to Your Age","meta_descriptions":["Your sleep needs rise and fall throughout your life."],"attrs_boilerpipe_text":"Sleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of rising and falling sleep needs depending on age. How much sleep do you need at the various stages of life, and why do our requirements shift all the time?\nNewborns and babies\nBabies aged zero to three months sleep 14 to 17 hours out of every 24—partly a function of the newborn’s introduction to the world after three trimesters in the darkness of the womb. A large share of time in the womb is spent sleeping, and the reason for so much slumber is the same both before and after birth: growth. Babies triple their weight between birth and one year old, and it’s during sleep—especially the deep cycle called slow-wave sleep—that growth hormone is most prodigiously released. Adding bulk is not the only thing the youngest babies are doing.\n“There are a lot of new neural connections forming,” says Dr. Yi Cai, director of sleep surgery at the Columbia University Irving Medical Center, “and a lot of new learning going on. Everything’s new, and that’s a prominent driver of sleep needs for that age.”\nLater in the first year, from four months to 12 months, sleep needs drop slightly, to about 12 to 16 hours, but that’s not because babies are growing less. Rather, Cai says, they are beginning to develop circadian rhythms that connect them to a more common dark-light, day-night cycle.\nToddlers and preschoolers\nIn the one- to two-year age group, sleep needs drop again to 11 to 14 hours, and fall further, to 10 to 13 hours, from ages three to five. This is due to a somewhat slower growth rate as children move out of babyhood.\nCognitive needs change too. Learning is consolidated when we’re sleeping, and it’s in the first months and year or two of life that we vacuum up the most basic knowledge. “When you’re younger, there’s a lot more relevant learning that goes on,” says Joshua Tal, New York-based sleep and health psychologist. “You’re learning who the people in your life are and what language is.”\nBy 18 months, toddlers’ need for naps generally decreases to just one per day, lasting from one to three hours,\naccording to the National Sleep Foundation\n. In the three-to-five-year group, napping during the day may continue to be necessary, especially since the preschooler’s growing imagination may lead to more bad dreams or nighttime fears—monsters under the bed, goblins in the closet—which can disrupt sleep. There are no hard rules here, however, and there can be significant differences from child to child.\n“We have some kids that are dropping the nap much earlier than other kids because it's affecting them at night,” says Tal. “Other kids have very predictable naps.”\nKids and teens\nKids from six to 12 years maintain patterns not unlike preschoolers—with sleep needs falling only slightly, to nine to 12 hours per night—but the need for naps disappears. As puberty hits, however, there is a big change. Thirteen- to 18-year-olds need about eight to 10 hours of sleep per night, but the sleep schedule shifts, with bedtime coming later in the evening and wake-up coming later in the morning. Parents raising teens will commonly notice that the child who once bounded out of bed at 7:00 am on weekends is now sleeping till 11:00. That, says Cai, is because the release of the sleep hormone melatonin changes, occurring later in the evening.\n“A lot of teenagers just have a delayed sleep drive,” she says. “That’s why some teens run into problems with early school times, where they may not get the sleep they need to be up in time for school, and then they might need to catch up on their sleep during the day when they’re back home.”\nThat, says Tal, is a real problem. “A good kid is finishing their homework and going to bed at 10, and they still have to wake up at around six for school,” he says. “Built into our society there is this devaluation of sleep.”\nAdults \nPast the teen years, the body is done growing and the brain is more or less finished developing. That’s when the need for sleep falls to seven or eight hours a night. “There’s less cognitive growth, and it’s more maintenance mode for the body,” says Tal. Adults who need significantly more than eight hours may be suffering from a sleep disorder. Obstructive sleep apnea affects about a billion people worldwide, according to Cai, and is the leading cause of disrupted sleep.\n“The upper airway or the throat is collapsing over the course of the night and people have these micro-awakenings because they stop breathing and their body wakes them up to take a breath,” she says. “That can lead to really poor quality sleep and non-refreshing sleep.”\nOther people may suffer from\nhypersomnia\n, an excessive need for sleep that is not satisfied by logging even ten hours at night and taking naps during the day. The cause of hypersomnia is unclear, though treatments—including stimulant medications and lifestyle changes such as avoiding caffeine and exercise before bed—may help.\nSeniors\nFor people 65 and older, the release of melatonin slows, leading to a bit less sleep as well as lighter sleep. “Circadian rhythms also advance,” says Tal, “so seniors go to bed earlier and they wake up earlier.” Age-related physical changes, such as prostate problems in men that lead to frequent bathroom trips during the night, can also have an impact on deep and steady sleep.\nFor people who are having a hard time sleeping the right amount of hours for their age group, Cai says, consulting a sleep doctor might be in order. “It’s always worthwhile to see a specialist if there are any significant struggles,” she advises.","attrs_markdown":"[Skip to Content](https:\/\/time.com\/7016186\/how-much-sleep-do-you-need-age\/#maincontent)\n\n- Menu\n  \n  Close\n\n[Subscribe](https:\/\/time.com\/subscribe-header-time\/)\n\n- [Health](https:\/\/time.com\/section\/health\/)\n- [Sleep](https:\/\/time.com\/tag\/sleep\/)\n# Here's How Much Sleep You Need According to Your Age\n[ADD TIME ON GOOGLE](https:\/\/www.google.com\/preferences\/source?q=https:\/\/time.com)\n\nShow me more content from TIME on Google Search\n\n![Jeffrey Kluger](https:\/\/gcp-na-images.contentstack.com\/v3\/assets\/bltea6093859af6183b\/blt8ba5798889b0f77d\/69868efb1eebf78937370d95\/jeffrey-kluger.jpg?branch=production&width=3840&quality=75&auto=webp&crop=1%3A1)\n\nby\n\n[Jeffrey Kluger](https:\/\/time.com\/author\/jeffrey-kluger\/)\n\nEditor at Large\n\nSep 4, 2024 6:41 PM CUT\n\n![Blonde woman laying on bed TIME health stock](https:\/\/gcp-na-images.contentstack.com\/v3\/assets\/bltea6093859af6183b\/bltb7a4364986bd2743\/6988c123fb4eacc2a98915e8\/time-health-stock-sleep-nap-2.jpg?branch=production&width=3840&quality=75&auto=webp&crop=3%3A2)\n\nBlonde woman laying on bed\n\nBlonde woman laying on bedGetty Images\n\n![Jeffrey Kluger](https:\/\/gcp-na-images.contentstack.com\/v3\/assets\/bltea6093859af6183b\/blt8ba5798889b0f77d\/69868efb1eebf78937370d95\/jeffrey-kluger.jpg?branch=production&width=3840&quality=75&auto=webp&crop=1%3A1)\n\nby\n\n[Jeffrey Kluger](https:\/\/time.com\/author\/jeffrey-kluger\/)\n\nEditor at Large\n\nSep 4, 2024 6:41 PM CUT\n\nSleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of rising and falling sleep needs depending on age. How much sleep do you need at the various stages of life, and why do our requirements shift all the time?\n\n## Newborns and babies\nBabies aged zero to three months sleep 14 to 17 hours out of every 24—partly a function of the newborn’s introduction to the world after three trimesters in the darkness of the womb. A large share of time in the womb is spent sleeping, and the reason for so much slumber is the same both before and after birth: growth. Babies triple their weight between birth and one year old, and it’s during sleep—especially the deep cycle called slow-wave sleep—that growth hormone is most prodigiously released. Adding bulk is not the only thing the youngest babies are doing.\n\n**Read More**: [*9 Weird Symptoms Cardiologists Say You Should Never Ignore*](https:\/\/time.com\/7014994\/heart-attack-symptoms-cardiologist\/ \"undefined\")\n\n“There are a lot of new neural connections forming,” says Dr. Yi Cai, director of sleep surgery at the Columbia University Irving Medical Center, “and a lot of new learning going on. Everything’s new, and that’s a prominent driver of sleep needs for that age.”\n\nLater in the first year, from four months to 12 months, sleep needs drop slightly, to about 12 to 16 hours, but that’s not because babies are growing less. Rather, Cai says, they are beginning to develop circadian rhythms that connect them to a more common dark-light, day-night cycle.\n\n## Toddlers and preschoolers\nIn the one- to two-year age group, sleep needs drop again to 11 to 14 hours, and fall further, to 10 to 13 hours, from ages three to five. This is due to a somewhat slower growth rate as children move out of babyhood.\n\nCognitive needs change too. Learning is consolidated when we’re sleeping, and it’s in the first months and year or two of life that we vacuum up the most basic knowledge. “When you’re younger, there’s a lot more relevant learning that goes on,” says Joshua Tal, New York-based sleep and health psychologist. “You’re learning who the people in your life are and what language is.”\n\nAdvertisement\n\nBy 18 months, toddlers’ need for naps generally decreases to just one per day, lasting from one to three hours, [according to the National Sleep Foundation](https:\/\/www.paaap.org\/uploads\/1\/2\/4\/3\/124369935\/551b74_0a25804f79b44994bb8db7ed9ed957db.pdf \"undefined\"). In the three-to-five-year group, napping during the day may continue to be necessary, especially since the preschooler’s growing imagination may lead to more bad dreams or nighttime fears—monsters under the bed, goblins in the closet—which can disrupt sleep. There are no hard rules here, however, and there can be significant differences from child to child.\n\n“We have some kids that are dropping the nap much earlier than other kids because it's affecting them at night,” says Tal. “Other kids have very predictable naps.”\n\n## Kids and teens\nKids from six to 12 years maintain patterns not unlike preschoolers—with sleep needs falling only slightly, to nine to 12 hours per night—but the need for naps disappears. As puberty hits, however, there is a big change. Thirteen- to 18-year-olds need about eight to 10 hours of sleep per night, but the sleep schedule shifts, with bedtime coming later in the evening and wake-up coming later in the morning. Parents raising teens will commonly notice that the child who once bounded out of bed at 7:00 am on weekends is now sleeping till 11:00. That, says Cai, is because the release of the sleep hormone melatonin changes, occurring later in the evening.\n\nAdvertisement\n\n**Read More**: [*The Best Pillow Setup for Sleep*](https:\/\/time.com\/6991307\/best-pillows-for-sleep-setup\/ \"undefined\")\n\n“A lot of teenagers just have a delayed sleep drive,” she says. “That’s why some teens run into problems with early school times, where they may not get the sleep they need to be up in time for school, and then they might need to catch up on their sleep during the day when they’re back home.”\n\nThat, says Tal, is a real problem. “A good kid is finishing their homework and going to bed at 10, and they still have to wake up at around six for school,” he says. “Built into our society there is this devaluation of sleep.”\n\n## Adults\nPast the teen years, the body is done growing and the brain is more or less finished developing. That’s when the need for sleep falls to seven or eight hours a night. “There’s less cognitive growth, and it’s more maintenance mode for the body,” says Tal. Adults who need significantly more than eight hours may be suffering from a sleep disorder. Obstructive sleep apnea affects about a billion people worldwide, according to Cai, and is the leading cause of disrupted sleep.\n\nAdvertisement\n\n“The upper airway or the throat is collapsing over the course of the night and people have these micro-awakenings because they stop breathing and their body wakes them up to take a breath,” she says. “That can lead to really poor quality sleep and non-refreshing sleep.”\n\nOther people may suffer from [hypersomnia](https:\/\/my.clevelandclinic.org\/health\/diseases\/21591-hypersomnia \"undefined\"), an excessive need for sleep that is not satisfied by logging even ten hours at night and taking naps during the day. The cause of hypersomnia is unclear, though treatments—including stimulant medications and lifestyle changes such as avoiding caffeine and exercise before bed—may help.\n\n## Seniors\nFor people 65 and older, the release of melatonin slows, leading to a bit less sleep as well as lighter sleep. “Circadian rhythms also advance,” says Tal, “so seniors go to bed earlier and they wake up earlier.” Age-related physical changes, such as prostate problems in men that lead to frequent bathroom trips during the night, can also have an impact on deep and steady sleep.\n\nAdvertisement\n\nFor people who are having a hard time sleeping the right amount of hours for their age group, Cai says, consulting a sleep doctor might be in order. “It’s always worthwhile to see a specialist if there are any significant struggles,” she advises.\n\n## Must-Reads from TIME\n- ['A Joke': House Republicans Reject Senate's DHS Funding Deal](https:\/\/time.com\/article\/2026\/03\/27\/-a-joke-house-republicans-reject-senate-s-dhs-funding-deal\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [Why Michael J. Fox Sees Parkinson's as 'a Gift That Keeps on Taking'](https:\/\/time.com\/collections\/time-for-change\/7379769\/michael-j-fox-parkinsons-research\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [Are You an Otrovert? What to Know About the New Personality Type](https:\/\/time.com\/article\/2026\/03\/12\/otrovert-new-personality-type\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [Damar Hamlin Is Using His Second Chance to Promote Heart Health](https:\/\/time.com\/collection\/time-for-change\/2026\/damar-hamlin-heart-health\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [A Few Minutes of Hard Exercise May Slash Your Risk for Diseases, Study Says](https:\/\/time.com\/article\/2026\/03\/30\/vigorous-exercise-reduced-risk-diseases\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [What Anesthesia Does to the Brain, According to a New Study](https:\/\/time.com\/article\/2026\/03\/23\/anesthesia-drugs-surgery-affect-brain\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n\n- ['A Joke': House Republicans Reject Senate's DHS Funding Deal](https:\/\/time.com\/article\/2026\/03\/27\/-a-joke-house-republicans-reject-senate-s-dhs-funding-deal\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [Why Michael J. Fox Sees Parkinson's as 'a Gift That Keeps on Taking'](https:\/\/time.com\/collections\/time-for-change\/7379769\/michael-j-fox-parkinsons-research\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n- [Are You an Otrovert? What to Know About the New Personality Type](https:\/\/time.com\/article\/2026\/03\/12\/otrovert-new-personality-type\/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw)\n\nRead More\n\n## Sections\n- [Home](https:\/\/time.com\/)\n- [Politics](https:\/\/time.com\/section\/politics\/)\n- [Health](https:\/\/time.com\/section\/health\/)\n- [AI](https:\/\/time.com\/tag\/ai\/)\n- [World](https:\/\/time.com\/section\/world\/)\n- [Business](https:\/\/time.com\/section\/business\/)\n- [Science](https:\/\/time.com\/section\/science\/)\n\n- [Climate](https:\/\/time.com\/section\/climate\/)\n- [Ideas](https:\/\/time.com\/section\/ideas\/)\n- [Entertainment](https:\/\/time.com\/section\/entertainment\/)\n- [Sports](https:\/\/time.com\/section\/sports\/)\n- [Technology](https:\/\/time.com\/tag\/technology\/)\n- [Newsletters](https:\/\/time.com\/newsletters\/?source=TD_Footer_Link&utm_source_pg=web&utm_medium_pg=footer&utm_campaign_pg=footer&utm_content_pg=footer-inside-time)\n\n## More\n- [The TIME Vault](https:\/\/time.com\/vault\/)\n- [TIME Africa](https:\/\/africa.time.com\/)\n- [TIME France](https:\/\/www.timefrance.fr\/)\n- [TIME For Kids](https:\/\/www.timeforkids.com\/)\n- [TIME Futures](https:\/\/time.com\/collection\/time-co2-futures\/)\n\n- [TIME Studios](https:\/\/studios.time.com\/)\n- [Video](https:\/\/time.com\/collections\/time-video\/)\n- [Red Border](https:\/\/redborder.time.com\/)\n- [Supplied Partner Content](https:\/\/partnercontent.time.com\/)\n\n## About Us\n- [Our Mission](https:\/\/time.com\/about-time\/)\n- [Contact the Editors](mailto:feedback@time.com)\n- [Press Room](https:\/\/time.com\/section\/press-room\/)\n- [Media Kit](https:\/\/time.com\/mediakit\/)\n- [Reprints & Permissions](https:\/\/www.parsintl.com\/publication\/time)\n\n- [Masthead](https:\/\/time.com\/time-masthead\/)\n- [Careers](https:\/\/time.com\/join-time\/)\n- [Site Map](https:\/\/time.com\/sitemap.xml)\n- [Modern Slavery Statement](https:\/\/time.com\/modern-slavery-statement\/)\n\n## Your Subscriptions\n- [Subscribe](https:\/\/time.com\/subscribe-footer-time\/)\n- [Access My Digital Magazine](https:\/\/geo.ema.gs\/time_digital)\n- [Manage My Subscription](https:\/\/support.time.com\/)\n- [Global Help Center](https:\/\/support.time.com\/)\n\n- [Buy an Issue](https:\/\/magazineshop.us\/collections\/time-magazine\/)\n- [Shop the Cover Store](https:\/\/timecoverstore.com\/)\n- [Give a Gift](https:\/\/time.com\/giveagift\/)\n\n© 2026 TIME USA, LLC. All Rights Reserved. Use of this site constitutes acceptance of our [Terms of Service](https:\/\/legal.time.com\/terms-of-service), [Privacy Policy (Your Privacy Rights)](https:\/\/legal.time.com\/us-privacy-policy) and Do Not Sell or Share My Personal Information.\n\nTIME may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.","attrs_readable_markdown":"Sleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of rising and falling sleep needs depending on age. How much sleep do you need at the various stages of life, and why do our requirements shift all the time?\n\nNewborns and babies\n\nBabies aged zero to three months sleep 14 to 17 hours out of every 24—partly a function of the newborn’s introduction to the world after three trimesters in the darkness of the womb. A large share of time in the womb is spent sleeping, and the reason for so much slumber is the same both before and after birth: growth. Babies triple their weight between birth and one year old, and it’s during sleep—especially the deep cycle called slow-wave sleep—that growth hormone is most prodigiously released. Adding bulk is not the only thing the youngest babies are doing.\n\n“There are a lot of new neural connections forming,” says Dr. Yi Cai, director of sleep surgery at the Columbia University Irving Medical Center, “and a lot of new learning going on. Everything’s new, and that’s a prominent driver of sleep needs for that age.”\n\nLater in the first year, from four months to 12 months, sleep needs drop slightly, to about 12 to 16 hours, but that’s not because babies are growing less. Rather, Cai says, they are beginning to develop circadian rhythms that connect them to a more common dark-light, day-night cycle.\n\nToddlers and preschoolers\n\nIn the one- to two-year age group, sleep needs drop again to 11 to 14 hours, and fall further, to 10 to 13 hours, from ages three to five. This is due to a somewhat slower growth rate as children move out of babyhood.\n\nCognitive needs change too. Learning is consolidated when we’re sleeping, and it’s in the first months and year or two of life that we vacuum up the most basic knowledge. “When you’re younger, there’s a lot more relevant learning that goes on,” says Joshua Tal, New York-based sleep and health psychologist. “You’re learning who the people in your life are and what language is.”\n\nBy 18 months, toddlers’ need for naps generally decreases to just one per day, lasting from one to three hours, [according to the National Sleep Foundation](https:\/\/www.paaap.org\/uploads\/1\/2\/4\/3\/124369935\/551b74_0a25804f79b44994bb8db7ed9ed957db.pdf \"undefined\"). In the three-to-five-year group, napping during the day may continue to be necessary, especially since the preschooler’s growing imagination may lead to more bad dreams or nighttime fears—monsters under the bed, goblins in the closet—which can disrupt sleep. There are no hard rules here, however, and there can be significant differences from child to child.\n\n“We have some kids that are dropping the nap much earlier than other kids because it's affecting them at night,” says Tal. “Other kids have very predictable naps.”\n\nKids and teens\n\nKids from six to 12 years maintain patterns not unlike preschoolers—with sleep needs falling only slightly, to nine to 12 hours per night—but the need for naps disappears. As puberty hits, however, there is a big change. Thirteen- to 18-year-olds need about eight to 10 hours of sleep per night, but the sleep schedule shifts, with bedtime coming later in the evening and wake-up coming later in the morning. Parents raising teens will commonly notice that the child who once bounded out of bed at 7:00 am on weekends is now sleeping till 11:00. That, says Cai, is because the release of the sleep hormone melatonin changes, occurring later in the evening.\n\n“A lot of teenagers just have a delayed sleep drive,” she says. “That’s why some teens run into problems with early school times, where they may not get the sleep they need to be up in time for school, and then they might need to catch up on their sleep during the day when they’re back home.”\n\nThat, says Tal, is a real problem. “A good kid is finishing their homework and going to bed at 10, and they still have to wake up at around six for school,” he says. “Built into our society there is this devaluation of sleep.”\n\nAdults\n\nPast the teen years, the body is done growing and the brain is more or less finished developing. That’s when the need for sleep falls to seven or eight hours a night. “There’s less cognitive growth, and it’s more maintenance mode for the body,” says Tal. Adults who need significantly more than eight hours may be suffering from a sleep disorder. Obstructive sleep apnea affects about a billion people worldwide, according to Cai, and is the leading cause of disrupted sleep.\n\n“The upper airway or the throat is collapsing over the course of the night and people have these micro-awakenings because they stop breathing and their body wakes them up to take a breath,” she says. “That can lead to really poor quality sleep and non-refreshing sleep.”\n\nOther people may suffer from [hypersomnia](https:\/\/my.clevelandclinic.org\/health\/diseases\/21591-hypersomnia \"undefined\"), an excessive need for sleep that is not satisfied by logging even ten hours at night and taking naps during the day. The cause of hypersomnia is unclear, though treatments—including stimulant medications and lifestyle changes such as avoiding caffeine and exercise before bed—may help.\n\nSeniors\n\nFor people 65 and older, the release of melatonin slows, leading to a bit less sleep as well as lighter sleep. “Circadian rhythms also advance,” says Tal, “so seniors go to bed earlier and they wake up earlier.” Age-related physical changes, such as prostate problems in men that lead to frequent bathroom trips during the night, can also have an impact on deep and steady sleep.\n\nFor people who are having a hard time sleeping the right amount of hours for their age group, Cai says, consulting a sleep doctor might be in order. “It’s always worthwhile to see a specialist if there are any significant struggles,” she advises.","meta_canonical":null}

3. Robots.txt Check

Query:

Response:

4. Spam/Ban Check

Query:

Response:

5. Seen Status Check

ℹ️ Skipped - page is already crawled

📄

INDEXABLE

✅

CRAWLED

5 days ago

🤖

ROBOTS ALLOWED

Page Info Filters

Filter	Status	Condition	Details
HTTP status	PASS	`download_http_code = 200`	HTTP 200
Age cutoff	PASS	`download_stamp > now() - 6 MONTH`	0.2 months ago
History drop	PASS	`isNull(history_drop_reason)`	No drop reason
Spam/ban	PASS	`fh_dont_index != 1 AND ml_spam_score = 0`	ml_spam_score=0
Canonical	PASS	`meta_canonical IS NULL OR = '' OR = src_unparsed`	Not set

Page Details

Property	Value
URL	https://time.com/7016186/how-much-sleep-do-you-need-age/
Last Crawled	2026-04-02 08:27:01 (5 days ago)
First Indexed	2024-09-04 21:35:38 (1 year ago)
HTTP Status Code	200
Meta Title	Here's How Much Sleep You Need According to Your Age
Meta Description	Your sleep needs rise and fall throughout your life.
Meta Canonical	null
Boilerpipe Text	Sleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of rising and falling sleep needs depending on age. How much sleep do you need at the various stages of life, and why do our requirements shift all the time? Newborns and babies Babies aged zero to three months sleep 14 to 17 hours out of every 24—partly a function of the newborn’s introduction to the world after three trimesters in the darkness of the womb. A large share of time in the womb is spent sleeping, and the reason for so much slumber is the same both before and after birth: growth. Babies triple their weight between birth and one year old, and it’s during sleep—especially the deep cycle called slow-wave sleep—that growth hormone is most prodigiously released. Adding bulk is not the only thing the youngest babies are doing. “There are a lot of new neural connections forming,” says Dr. Yi Cai, director of sleep surgery at the Columbia University Irving Medical Center, “and a lot of new learning going on. Everything’s new, and that’s a prominent driver of sleep needs for that age.” Later in the first year, from four months to 12 months, sleep needs drop slightly, to about 12 to 16 hours, but that’s not because babies are growing less. Rather, Cai says, they are beginning to develop circadian rhythms that connect them to a more common dark-light, day-night cycle. Toddlers and preschoolers In the one- to two-year age group, sleep needs drop again to 11 to 14 hours, and fall further, to 10 to 13 hours, from ages three to five. This is due to a somewhat slower growth rate as children move out of babyhood. Cognitive needs change too. Learning is consolidated when we’re sleeping, and it’s in the first months and year or two of life that we vacuum up the most basic knowledge. “When you’re younger, there’s a lot more relevant learning that goes on,” says Joshua Tal, New York-based sleep and health psychologist. “You’re learning who the people in your life are and what language is.” By 18 months, toddlers’ need for naps generally decreases to just one per day, lasting from one to three hours, according to the National Sleep Foundation . In the three-to-five-year group, napping during the day may continue to be necessary, especially since the preschooler’s growing imagination may lead to more bad dreams or nighttime fears—monsters under the bed, goblins in the closet—which can disrupt sleep. There are no hard rules here, however, and there can be significant differences from child to child. “We have some kids that are dropping the nap much earlier than other kids because it's affecting them at night,” says Tal. “Other kids have very predictable naps.” Kids and teens Kids from six to 12 years maintain patterns not unlike preschoolers—with sleep needs falling only slightly, to nine to 12 hours per night—but the need for naps disappears. As puberty hits, however, there is a big change. Thirteen- to 18-year-olds need about eight to 10 hours of sleep per night, but the sleep schedule shifts, with bedtime coming later in the evening and wake-up coming later in the morning. Parents raising teens will commonly notice that the child who once bounded out of bed at 7:00 am on weekends is now sleeping till 11:00. That, says Cai, is because the release of the sleep hormone melatonin changes, occurring later in the evening. “A lot of teenagers just have a delayed sleep drive,” she says. “That’s why some teens run into problems with early school times, where they may not get the sleep they need to be up in time for school, and then they might need to catch up on their sleep during the day when they’re back home.” That, says Tal, is a real problem. “A good kid is finishing their homework and going to bed at 10, and they still have to wake up at around six for school,” he says. “Built into our society there is this devaluation of sleep.” Adults Past the teen years, the body is done growing and the brain is more or less finished developing. That’s when the need for sleep falls to seven or eight hours a night. “There’s less cognitive growth, and it’s more maintenance mode for the body,” says Tal. Adults who need significantly more than eight hours may be suffering from a sleep disorder. Obstructive sleep apnea affects about a billion people worldwide, according to Cai, and is the leading cause of disrupted sleep. “The upper airway or the throat is collapsing over the course of the night and people have these micro-awakenings because they stop breathing and their body wakes them up to take a breath,” she says. “That can lead to really poor quality sleep and non-refreshing sleep.” Other people may suffer from hypersomnia , an excessive need for sleep that is not satisfied by logging even ten hours at night and taking naps during the day. The cause of hypersomnia is unclear, though treatments—including stimulant medications and lifestyle changes such as avoiding caffeine and exercise before bed—may help. Seniors For people 65 and older, the release of melatonin slows, leading to a bit less sleep as well as lighter sleep. “Circadian rhythms also advance,” says Tal, “so seniors go to bed earlier and they wake up earlier.” Age-related physical changes, such as prostate problems in men that lead to frequent bathroom trips during the night, can also have an impact on deep and steady sleep. For people who are having a hard time sleeping the right amount of hours for their age group, Cai says, consulting a sleep doctor might be in order. “It’s always worthwhile to see a specialist if there are any significant struggles,” she advises.
Markdown	[Skip to Content](https://time.com/7016186/how-much-sleep-do-you-need-age/#maincontent) - Menu Close [Subscribe](https://time.com/subscribe-header-time/) - [Health](https://time.com/section/health/) - [Sleep](https://time.com/tag/sleep/) # Here's How Much Sleep You Need According to Your Age [ADD TIME ON GOOGLE](https://www.google.com/preferences/source?q=https://time.com) Show me more content from TIME on Google Search ![Jeffrey Kluger](https://gcp-na-images.contentstack.com/v3/assets/bltea6093859af6183b/blt8ba5798889b0f77d/69868efb1eebf78937370d95/jeffrey-kluger.jpg?branch=production&width=3840&quality=75&auto=webp&crop=1%3A1) by [Jeffrey Kluger](https://time.com/author/jeffrey-kluger/) Editor at Large Sep 4, 2024 6:41 PM CUT ![Blonde woman laying on bed TIME health stock](https://gcp-na-images.contentstack.com/v3/assets/bltea6093859af6183b/bltb7a4364986bd2743/6988c123fb4eacc2a98915e8/time-health-stock-sleep-nap-2.jpg?branch=production&width=3840&quality=75&auto=webp&crop=3%3A2) Blonde woman laying on bed Blonde woman laying on bedGetty Images ![Jeffrey Kluger](https://gcp-na-images.contentstack.com/v3/assets/bltea6093859af6183b/blt8ba5798889b0f77d/69868efb1eebf78937370d95/jeffrey-kluger.jpg?branch=production&width=3840&quality=75&auto=webp&crop=1%3A1) by [Jeffrey Kluger](https://time.com/author/jeffrey-kluger/) Editor at Large Sep 4, 2024 6:41 PM CUT Sleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of rising and falling sleep needs depending on age. How much sleep do you need at the various stages of life, and why do our requirements shift all the time? ## Newborns and babies Babies aged zero to three months sleep 14 to 17 hours out of every 24—partly a function of the newborn’s introduction to the world after three trimesters in the darkness of the womb. A large share of time in the womb is spent sleeping, and the reason for so much slumber is the same both before and after birth: growth. Babies triple their weight between birth and one year old, and it’s during sleep—especially the deep cycle called slow-wave sleep—that growth hormone is most prodigiously released. Adding bulk is not the only thing the youngest babies are doing. Read More: [9 Weird Symptoms Cardiologists Say You Should Never Ignore](https://time.com/7014994/heart-attack-symptoms-cardiologist/ "undefined") “There are a lot of new neural connections forming,” says Dr. Yi Cai, director of sleep surgery at the Columbia University Irving Medical Center, “and a lot of new learning going on. Everything’s new, and that’s a prominent driver of sleep needs for that age.” Later in the first year, from four months to 12 months, sleep needs drop slightly, to about 12 to 16 hours, but that’s not because babies are growing less. Rather, Cai says, they are beginning to develop circadian rhythms that connect them to a more common dark-light, day-night cycle. ## Toddlers and preschoolers In the one- to two-year age group, sleep needs drop again to 11 to 14 hours, and fall further, to 10 to 13 hours, from ages three to five. This is due to a somewhat slower growth rate as children move out of babyhood. Cognitive needs change too. Learning is consolidated when we’re sleeping, and it’s in the first months and year or two of life that we vacuum up the most basic knowledge. “When you’re younger, there’s a lot more relevant learning that goes on,” says Joshua Tal, New York-based sleep and health psychologist. “You’re learning who the people in your life are and what language is.” Advertisement By 18 months, toddlers’ need for naps generally decreases to just one per day, lasting from one to three hours, [according to the National Sleep Foundation](https://www.paaap.org/uploads/1/2/4/3/124369935/551b74_0a25804f79b44994bb8db7ed9ed957db.pdf "undefined"). In the three-to-five-year group, napping during the day may continue to be necessary, especially since the preschooler’s growing imagination may lead to more bad dreams or nighttime fears—monsters under the bed, goblins in the closet—which can disrupt sleep. There are no hard rules here, however, and there can be significant differences from child to child. “We have some kids that are dropping the nap much earlier than other kids because it's affecting them at night,” says Tal. “Other kids have very predictable naps.” ## Kids and teens Kids from six to 12 years maintain patterns not unlike preschoolers—with sleep needs falling only slightly, to nine to 12 hours per night—but the need for naps disappears. As puberty hits, however, there is a big change. Thirteen- to 18-year-olds need about eight to 10 hours of sleep per night, but the sleep schedule shifts, with bedtime coming later in the evening and wake-up coming later in the morning. Parents raising teens will commonly notice that the child who once bounded out of bed at 7:00 am on weekends is now sleeping till 11:00. That, says Cai, is because the release of the sleep hormone melatonin changes, occurring later in the evening. Advertisement Read More: [The Best Pillow Setup for Sleep](https://time.com/6991307/best-pillows-for-sleep-setup/ "undefined") “A lot of teenagers just have a delayed sleep drive,” she says. “That’s why some teens run into problems with early school times, where they may not get the sleep they need to be up in time for school, and then they might need to catch up on their sleep during the day when they’re back home.” That, says Tal, is a real problem. “A good kid is finishing their homework and going to bed at 10, and they still have to wake up at around six for school,” he says. “Built into our society there is this devaluation of sleep.” ## Adults Past the teen years, the body is done growing and the brain is more or less finished developing. That’s when the need for sleep falls to seven or eight hours a night. “There’s less cognitive growth, and it’s more maintenance mode for the body,” says Tal. Adults who need significantly more than eight hours may be suffering from a sleep disorder. Obstructive sleep apnea affects about a billion people worldwide, according to Cai, and is the leading cause of disrupted sleep. Advertisement “The upper airway or the throat is collapsing over the course of the night and people have these micro-awakenings because they stop breathing and their body wakes them up to take a breath,” she says. “That can lead to really poor quality sleep and non-refreshing sleep.” Other people may suffer from [hypersomnia](https://my.clevelandclinic.org/health/diseases/21591-hypersomnia "undefined"), an excessive need for sleep that is not satisfied by logging even ten hours at night and taking naps during the day. The cause of hypersomnia is unclear, though treatments—including stimulant medications and lifestyle changes such as avoiding caffeine and exercise before bed—may help. ## Seniors For people 65 and older, the release of melatonin slows, leading to a bit less sleep as well as lighter sleep. “Circadian rhythms also advance,” says Tal, “so seniors go to bed earlier and they wake up earlier.” Age-related physical changes, such as prostate problems in men that lead to frequent bathroom trips during the night, can also have an impact on deep and steady sleep. Advertisement For people who are having a hard time sleeping the right amount of hours for their age group, Cai says, consulting a sleep doctor might be in order. “It’s always worthwhile to see a specialist if there are any significant struggles,” she advises. ## Must-Reads from TIME - ['A Joke': House Republicans Reject Senate's DHS Funding Deal](https://time.com/article/2026/03/27/-a-joke-house-republicans-reject-senate-s-dhs-funding-deal/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [Why Michael J. Fox Sees Parkinson's as 'a Gift That Keeps on Taking'](https://time.com/collections/time-for-change/7379769/michael-j-fox-parkinsons-research/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [Are You an Otrovert? What to Know About the New Personality Type](https://time.com/article/2026/03/12/otrovert-new-personality-type/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [Damar Hamlin Is Using His Second Chance to Promote Heart Health](https://time.com/collection/time-for-change/2026/damar-hamlin-heart-health/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [A Few Minutes of Hard Exercise May Slash Your Risk for Diseases, Study Says](https://time.com/article/2026/03/30/vigorous-exercise-reduced-risk-diseases/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [What Anesthesia Does to the Brain, According to a New Study](https://time.com/article/2026/03/23/anesthesia-drugs-surgery-affect-brain/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - ['A Joke': House Republicans Reject Senate's DHS Funding Deal](https://time.com/article/2026/03/27/-a-joke-house-republicans-reject-senate-s-dhs-funding-deal/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [Why Michael J. Fox Sees Parkinson's as 'a Gift That Keeps on Taking'](https://time.com/collections/time-for-change/7379769/michael-j-fox-parkinsons-research/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) - [Are You an Otrovert? What to Know About the New Personality Type](https://time.com/article/2026/03/12/otrovert-new-personality-type/?utm_rs=IL_GNBazf4RR9GSs3N-N37Btw) Read More ## Sections - [Home](https://time.com/) - [Politics](https://time.com/section/politics/) - [Health](https://time.com/section/health/) - [AI](https://time.com/tag/ai/) - [World](https://time.com/section/world/) - [Business](https://time.com/section/business/) - [Science](https://time.com/section/science/) - [Climate](https://time.com/section/climate/) - [Ideas](https://time.com/section/ideas/) - [Entertainment](https://time.com/section/entertainment/) - [Sports](https://time.com/section/sports/) - [Technology](https://time.com/tag/technology/) - [Newsletters](https://time.com/newsletters/?source=TD_Footer_Link&utm_source_pg=web&utm_medium_pg=footer&utm_campaign_pg=footer&utm_content_pg=footer-inside-time) ## More - [The TIME Vault](https://time.com/vault/) - [TIME Africa](https://africa.time.com/) - [TIME France](https://www.timefrance.fr/) - [TIME For Kids](https://www.timeforkids.com/) - [TIME Futures](https://time.com/collection/time-co2-futures/) - [TIME Studios](https://studios.time.com/) - [Video](https://time.com/collections/time-video/) - [Red Border](https://redborder.time.com/) - [Supplied Partner Content](https://partnercontent.time.com/) ## About Us - [Our Mission](https://time.com/about-time/) - [Contact the Editors](mailto:feedback@time.com) - [Press Room](https://time.com/section/press-room/) - [Media Kit](https://time.com/mediakit/) - [Reprints & Permissions](https://www.parsintl.com/publication/time) - [Masthead](https://time.com/time-masthead/) - [Careers](https://time.com/join-time/) - [Site Map](https://time.com/sitemap.xml) - [Modern Slavery Statement](https://time.com/modern-slavery-statement/) ## Your Subscriptions - [Subscribe](https://time.com/subscribe-footer-time/) - [Access My Digital Magazine](https://geo.ema.gs/time_digital) - [Manage My Subscription](https://support.time.com/) - [Global Help Center](https://support.time.com/) - [Buy an Issue](https://magazineshop.us/collections/time-magazine/) - [Shop the Cover Store](https://timecoverstore.com/) - [Give a Gift](https://time.com/giveagift/) © 2026 TIME USA, LLC. All Rights Reserved. Use of this site constitutes acceptance of our [Terms of Service](https://legal.time.com/terms-of-service), [Privacy Policy (Your Privacy Rights)](https://legal.time.com/us-privacy-policy) and Do Not Sell or Share My Personal Information. TIME may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.
Readable Markdown	Sleep is a moving target. When you were a newborn, you slept for most of the day, then less as an older child; as a teen, you slept later. A senior’s bedtime is earlier—part of a lifetime journey of rising and falling sleep needs depending on age. How much sleep do you need at the various stages of life, and why do our requirements shift all the time? Newborns and babies Babies aged zero to three months sleep 14 to 17 hours out of every 24—partly a function of the newborn’s introduction to the world after three trimesters in the darkness of the womb. A large share of time in the womb is spent sleeping, and the reason for so much slumber is the same both before and after birth: growth. Babies triple their weight between birth and one year old, and it’s during sleep—especially the deep cycle called slow-wave sleep—that growth hormone is most prodigiously released. Adding bulk is not the only thing the youngest babies are doing. “There are a lot of new neural connections forming,” says Dr. Yi Cai, director of sleep surgery at the Columbia University Irving Medical Center, “and a lot of new learning going on. Everything’s new, and that’s a prominent driver of sleep needs for that age.” Later in the first year, from four months to 12 months, sleep needs drop slightly, to about 12 to 16 hours, but that’s not because babies are growing less. Rather, Cai says, they are beginning to develop circadian rhythms that connect them to a more common dark-light, day-night cycle. Toddlers and preschoolers In the one- to two-year age group, sleep needs drop again to 11 to 14 hours, and fall further, to 10 to 13 hours, from ages three to five. This is due to a somewhat slower growth rate as children move out of babyhood. Cognitive needs change too. Learning is consolidated when we’re sleeping, and it’s in the first months and year or two of life that we vacuum up the most basic knowledge. “When you’re younger, there’s a lot more relevant learning that goes on,” says Joshua Tal, New York-based sleep and health psychologist. “You’re learning who the people in your life are and what language is.” By 18 months, toddlers’ need for naps generally decreases to just one per day, lasting from one to three hours, [according to the National Sleep Foundation](https://www.paaap.org/uploads/1/2/4/3/124369935/551b74_0a25804f79b44994bb8db7ed9ed957db.pdf "undefined"). In the three-to-five-year group, napping during the day may continue to be necessary, especially since the preschooler’s growing imagination may lead to more bad dreams or nighttime fears—monsters under the bed, goblins in the closet—which can disrupt sleep. There are no hard rules here, however, and there can be significant differences from child to child. “We have some kids that are dropping the nap much earlier than other kids because it's affecting them at night,” says Tal. “Other kids have very predictable naps.” Kids and teens Kids from six to 12 years maintain patterns not unlike preschoolers—with sleep needs falling only slightly, to nine to 12 hours per night—but the need for naps disappears. As puberty hits, however, there is a big change. Thirteen- to 18-year-olds need about eight to 10 hours of sleep per night, but the sleep schedule shifts, with bedtime coming later in the evening and wake-up coming later in the morning. Parents raising teens will commonly notice that the child who once bounded out of bed at 7:00 am on weekends is now sleeping till 11:00. That, says Cai, is because the release of the sleep hormone melatonin changes, occurring later in the evening. “A lot of teenagers just have a delayed sleep drive,” she says. “That’s why some teens run into problems with early school times, where they may not get the sleep they need to be up in time for school, and then they might need to catch up on their sleep during the day when they’re back home.” That, says Tal, is a real problem. “A good kid is finishing their homework and going to bed at 10, and they still have to wake up at around six for school,” he says. “Built into our society there is this devaluation of sleep.” Adults Past the teen years, the body is done growing and the brain is more or less finished developing. That’s when the need for sleep falls to seven or eight hours a night. “There’s less cognitive growth, and it’s more maintenance mode for the body,” says Tal. Adults who need significantly more than eight hours may be suffering from a sleep disorder. Obstructive sleep apnea affects about a billion people worldwide, according to Cai, and is the leading cause of disrupted sleep. “The upper airway or the throat is collapsing over the course of the night and people have these micro-awakenings because they stop breathing and their body wakes them up to take a breath,” she says. “That can lead to really poor quality sleep and non-refreshing sleep.” Other people may suffer from [hypersomnia](https://my.clevelandclinic.org/health/diseases/21591-hypersomnia "undefined"), an excessive need for sleep that is not satisfied by logging even ten hours at night and taking naps during the day. The cause of hypersomnia is unclear, though treatments—including stimulant medications and lifestyle changes such as avoiding caffeine and exercise before bed—may help. Seniors For people 65 and older, the release of melatonin slows, leading to a bit less sleep as well as lighter sleep. “Circadian rhythms also advance,” says Tal, “so seniors go to bed earlier and they wake up earlier.” Age-related physical changes, such as prostate problems in men that lead to frequent bathroom trips during the night, can also have an impact on deep and steady sleep. For people who are having a hard time sleeping the right amount of hours for their age group, Cai says, consulting a sleep doctor might be in order. “It’s always worthwhile to see a specialist if there are any significant struggles,” she advises.
Shard	39 (laksa)
Root Hash	9797552172251460839
Unparsed URL	com,time!/7016186/how-much-sleep-do-you-need-age/ s443