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How much sleep do you really need? | Sleeping with Science, a TED series

You know you need to get enough sleep, but the question remains: How much is enough? Sleep scientist Matt Walker tells us the recommended amount for adults and explains why it’s necessary for your long-term health. Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. (Made possible with the…

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You know you need to get enough sleep, but the question remains: How much is enough? Sleep scientist Matt Walker tells us the recommended amount for adults and explains why it’s necessary for your long-term health.

Sleeping with Science, a TED series, uncovers the facts and secrets behind our nightly slumber. (Made possible with the support of Beautyrest)

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191 Comments

191 Comments

  1. Sean Fisher

    September 2, 2020 at 6:16 pm

    Ok, then why am I always fuckin tired when waking up

  2. pomidorboi c

    September 2, 2020 at 6:25 pm

    So this is the first time im being told straightforward that ill die sooner with both of ver. 1 and ver. 2 explanations. And im kinda shocked, even crying. God i just wish to be normal and i hate my disease so much

  3. Christian Str

    September 2, 2020 at 6:33 pm

    This guy looks like a vampire

  4. ᚩᛗᚫ ForestDweller ᛣᚳᛉ

    September 2, 2020 at 6:46 pm

    Internet addicts say aye.

  5. Eoin Kelleher

    September 2, 2020 at 6:56 pm

    He reminds me of Keith Richard. Maybe lazy people stay in bed longer and are more likely to be obese etc.

  6. Chris Scully

    September 2, 2020 at 7:02 pm

    Im ashamed of this guys friends and family for letting this guy rock that hair style

  7. Yunus Aydın

    September 2, 2020 at 7:13 pm

    Thank you for good working Nihal and Miraç ❤

  8. No Content Just Ads

    September 2, 2020 at 7:14 pm

    This video didn’t help much

  9. Tushar Kapila

    September 2, 2020 at 7:14 pm

    Thank u Ted for godd quick talk.

  10. feldibreakdown

    September 2, 2020 at 7:15 pm

    That moment when chuck norris talks about sleep…DAMN!

  11. Devoy Williams

    September 2, 2020 at 7:24 pm

    7-8 is the sweet spot.

  12. RNorthex

    September 2, 2020 at 7:44 pm

    Or the mortality rate’s increase might also be because a large number of people who spend more time sleeping/resting often tend to also have less physical activity in their schedule.

  13. Emmanuel R.

    September 2, 2020 at 7:49 pm

    If I can’t sleep in school
    Then expect that I won’t study at home

  14. pranjal kumar

    September 2, 2020 at 8:08 pm

    Some top level professional athletes sleep for 10-12 hours. Does that help in recovery ?

  15. Mayur Kr. Garg

    September 2, 2020 at 8:23 pm

    I sleep less than 9 hours in 48 hours. Oh boy, I am gonna die young.

  16. Rocket33r

    September 2, 2020 at 8:35 pm

    Their budget for shirts must have been huge.

  17. 00Resev

    September 2, 2020 at 9:12 pm

    I’m finding age to be a factor as well.
    I am now 41, and i’m sleeping a lot less hours than i did only 10 years ago.
    On week days, i tend to sleep on average 5 hours, and waking up naturally, and refreshed.
    On the weekend, when/if i have days off work, i seem to go for a bit longer, up to 8 hours.
    Perhaps its merely my internal clock working on a steady rhythm, but age does seems to be a factor.

  18. wolfdwarf

    September 2, 2020 at 9:44 pm

    dude in beginning looks like a 70 year-old with the haircut of a 7 year-old.

  19. My Conscience

    September 2, 2020 at 9:48 pm

    Stuart Smalley?

  20. White Dove

    September 2, 2020 at 9:57 pm

    Your voice is quite soothing. 😴

  21. Thresa Graham

    September 2, 2020 at 10:19 pm

    Are we just ignoring that this gentleman looks like he has a giant shredded wheat on his head? 😮🌸🌺✌️

  22. zeroinone inzero

    September 2, 2020 at 10:24 pm

    2 hours sleep is all you need.

  23. Ser Hugor

    September 2, 2020 at 10:48 pm

    I don’t understand one thing he said.

    WTF is the fuss with sleep. Human close your eyes and dream. When you’re tired open them and continue the unpleasant activity of living.

  24. deboloed

    September 2, 2020 at 11:44 pm

    #saveTEDrussia

  25. Psycho Papi

    September 3, 2020 at 9:11 am

    I love me sleeping,it gets me closer to death.the feeling of feeling nothing is awesome

  26. Pajo Lee

    September 3, 2020 at 9:50 am

    Everything coming out the last while has said 6 to 6 and a half hours a night for an adult…

    And of course, age comes into it in a big way too….

  27. Abhinav Singh

    September 3, 2020 at 9:57 am

    Why there are Too many Sleep related vedio in recommandation for last 2 days ???🙄🤔🤔

  28. Seymour09

    September 3, 2020 at 10:18 am

    I sleep 4 hours but its ultra great quality

  29. ferba

    September 3, 2020 at 10:38 am

    The more you sleep, meaning the less time you spend doing useful things, is more time you get in the future to do useful things.

    Mother nature: It’s not a bug, it’s a feature

  30. Karl Turner

    September 3, 2020 at 11:17 am

    This wasnt helpful at all. Here’s a study. The study is faulty because of a disease or sickness factor. Take away just sleep 7-9, like it’s already been told to you.

  31. lovisategsell03

    September 3, 2020 at 11:44 am

    boring

  32. Fong Man

    September 3, 2020 at 11:56 am

    Is it just me, or am I distracted by his hair.

  33. Mahoona Cahoona

    September 3, 2020 at 11:58 am

    the advertisement is longer than the video :O)

  34. Fong Man

    September 3, 2020 at 11:59 am

    TED: The importance of sleep

    Also TED: Releases 3 videos simultaneously

  35. Wu Ao

    September 3, 2020 at 12:05 pm

    me sleeping 5 hours a day at 14

  36. fatima ahsan

    September 3, 2020 at 12:09 pm

    his voice is making me sleep

  37. Banksy

    September 3, 2020 at 12:09 pm

    Yawn

  38. Back Health 101

    September 3, 2020 at 12:21 pm

    How do you increase quality of sleep.

  39. Roshan Paul Varghese

    September 3, 2020 at 12:38 pm

    Parents of NEET aspirants in INDIA be like
    7-9 hours YOU ARE SO LAZY

  40. Ionut-Mihai Vladasel

    September 3, 2020 at 1:12 pm

    8

  41. DogGambit

    September 3, 2020 at 4:22 pm

    I was planning to go to sleep soon, but I’m afraid that after seeing his hair, I will have nightmares.

  42. Tron Ahmed

    September 3, 2020 at 4:32 pm

    Well, talking about quality of sleep I should be dead anytime now.

  43. Sunny Sundays

    September 3, 2020 at 5:30 pm

    Is it just me or does this look like a deep fake?

  44. Luann Rouff

    September 3, 2020 at 5:39 pm

    I don’t care how much other people sleep. Why would I? It’s not a competition. I sleep when I’m tired and get up when I’m rested. It’s not really confusing or controversial.

  45. Асыланбек Ибатуллиев

    September 3, 2020 at 5:51 pm

    So how much time I should sleep 😫?

  46. Kim Davis

    September 3, 2020 at 6:01 pm

    I’m aware that children and teenagers need more sleep than adults – when does that increased requirement begin to drop off?
    I ask because I’m 20 and still sleeping around 9 or 10 hours a night lol

  47. Lizka Enk

    September 3, 2020 at 6:24 pm

    Теd, ты ужасен

  48. FallenAngelHiroko

    September 3, 2020 at 7:28 pm

    Everyone is different. There’s no one size fits all. I let my body decide. Because no matter how hard I try, it’ll sleep when it wants to. The only exception of this is depression because it’s not sleep, but an escape from your internal and external problems. Something I learned the hard way. I think the big problem we have is that we FORCE ourselves to sleep which gives us poorer quality.

  49. inToFinite

    September 4, 2020 at 4:24 am

    My brother is a sleep master, he can sleep whenever he wants to!

  50. Shaun Brabant

    September 4, 2020 at 6:34 am

    that comment that said. the longest anyone has stayed awake for was 11 days? what about those guys on meth?

  51. Foram Shah

    September 4, 2020 at 8:22 am

    The irony of closing your eyes.

  52. oversized V

    September 4, 2020 at 9:10 am

    i need indonesian subtitle please

  53. rescue me

    September 4, 2020 at 2:31 pm

    Idiotic experts. Sleep cycle is like a signal, weak after a distance but the wave curves back up later! Not rocket science!

  54. jazz queen

    September 4, 2020 at 3:14 pm

    I am not kidding,you definitely remind me of Richie Rich

  55. 5 Minute Psychology

    September 4, 2020 at 5:46 pm

    From my professional experience I can say it’s not only about the amount of sleep but rather about the quality of sleep

  56. Samayō

    September 4, 2020 at 9:04 pm

    That hairstyle is just a mix of the one of Donald Trump and Justin Bieber lol

  57. Jerome L.

    September 4, 2020 at 11:10 pm

    Dam … under 7h and over 9h are the only 2 kinds of sleep I get.

  58. Matze S

    September 5, 2020 at 6:49 am

    So, never have kids 🙈🥱

  59. RuizuKun_Dev

    September 5, 2020 at 1:10 pm

    Why does he seem familiar?

  60. harshith vdn

    September 5, 2020 at 4:48 pm

    Me: just chilling on the bed and watching my phone.

    Ted: SLEEP OR YOU DIE!!

  61. vishnu kanhan

    September 5, 2020 at 5:17 pm

    Sleep more to get more life
    End.

  62. Yiğit Yiğitoğlu

    September 5, 2020 at 5:28 pm

    Americans: *Chuckles* I’m in danger.

  63. Sum141

    September 5, 2020 at 7:36 pm

    How much sleep do we really need?
    Wouldn’t you like to know ginger boy?

  64. Oleg Tvorecz

    September 6, 2020 at 1:25 am

    Mortality likelihood is 100% so mortality risk doesn’t concern me at all

  65. FlaviusMaximus1967

    September 6, 2020 at 4:07 am

    Is the Trump haircut now in style?

  66. Vishal Anand

    September 6, 2020 at 4:24 am

    Please answer this question. Before 1980-1990, there were barely any television in rural India, most people used to go to bed by 8 pm and wake up early by 4 or 5 am. But they used to sleep in daytime as well for 1 or 2 hours. Now time has changed. My grandparents are old, above 80, and my mother is 50 years old. My question is does sleeping in daytime has any effect on mortality.? I don’t think I will be able to convince my grandparents to change their routine that they have been following for their entire life but I will try to convince my mother given any research has been done in this field.

  67. Hassir Bolívar

    September 6, 2020 at 6:19 am

    Watching this at 1:19 am Perfect

  68. A- Note

    September 6, 2020 at 8:55 am

    What’s wrong with your hair boy? From one side to the other

  69. luke hp

    September 6, 2020 at 10:42 am

    yeah, but how does one get a higher quality sleep?

  70. ilhaan ilahi

    September 6, 2020 at 1:18 pm

    9 is enough

    9 minutes that is

  71. Koda T

    September 6, 2020 at 1:52 pm

    Then tell me, why does nature want parents to have a lower life expectancy? I thought I might not feel very tired with my newborn since I planned to sleep while breastfeeding them, but it turns out your sleep quality gets pretty bad when you get woken up every few minutes and can’t ever get into real, deep sleep.

  72. Muhammad ALI Nematoglu

    September 6, 2020 at 3:47 pm

    Me watching this video at 2:46 AM

  73. Sahil Chavan

    September 6, 2020 at 3:56 pm

    Jason nash number 2?

  74. Marcos Mimenza

    September 6, 2020 at 4:03 pm

    The hours you need to sleep depend on who you want to sleep with.

  75. اناا ييس

    September 6, 2020 at 5:59 pm

    TED: you should sleep 7-9 hours
    ME:sleep all the day *_*

  76. Be awesome

    September 6, 2020 at 6:15 pm

    Me watching it at 1 am
    Chuckles I’m in danger

  77. Ankit Kumar

    September 6, 2020 at 6:22 pm

    I must tell you that you are still lacking in quality research, my grand parents sleep no more than 5-6 hours both in the late sixty and still healthy.

    • By Design

      September 7, 2020 at 4:24 pm

      You misunderstand what he is saying. It is a ‘risk’. That doesn’t mean guarenteed early death, just that the chance that they die early or acquire a disease is higher…

  78. JumpyMech

    September 6, 2020 at 10:05 pm

    Science: You need 7-8 hours of sleep-
    Mind valley: THATS A LIE

    • JumpyMech

      September 6, 2020 at 10:07 pm

      Sorry, I despise that ad

  79. MorningStar • _

    September 6, 2020 at 10:12 pm

    At night:
    I could sleep atleast 9-12 hrs when I was 16-20 yrs old,
    now I can barely sleep 5.5hrs

    And in a day
    if I slept even for 10 minutes and then woke up for some reason,
    I can’t sleep at all at the same night.

    Please anyone help !

  80. Rohana

    September 6, 2020 at 10:44 pm

    Ever since I’ve gotten into Bangtan, sleep has left my group chat 🤷‍♀️

  81. Sam Walsh

    September 6, 2020 at 11:48 pm

    Why does that look like Donald Trump in the painting behind him? 🤯

  82. Elisabeth Ashby

    September 7, 2020 at 1:43 am

    To bed 5:30 am and up at 8:30 am

  83. Alexandra Lim

    September 7, 2020 at 2:47 am

    Helpful!

  84. TLF Productions

    September 7, 2020 at 5:15 am

    He is making me sleepy

  85. Niuver Rodríguez Ceballo

    September 7, 2020 at 8:40 am

    WISE WORDS! LET’S TRY IT!

  86. 100 SUBSCRIBERS WITH NO VIDEO

    September 7, 2020 at 9:44 am

    Why there animations are always disturbing

  87. fika imu

    September 7, 2020 at 10:54 am

    The higher mortality rate in people who sleep too long is correlated, but not causal.
    It’s just that seriously ill people who are hospitalized are inevitably going to sleep longer.

  88. Tim Bagwell

    September 7, 2020 at 12:20 pm

    TED – “You need good quality sleep.”
    Also TED – “You better get the perfect amount of sleep or you will die”

  89. Raja Sekhara

    September 7, 2020 at 1:40 pm

    Sleep till you get tired of sleeping and want to sleep again to relax😂😂😂

  90. Invox

    September 7, 2020 at 1:45 pm

    I think they should see WHEN thye get sleep. You might sleep longer or shorter, but if you do that in the daytime, the result can be very bad for your health. That’s why people who work shifts should have some form of “regulation” to regulate their sleep habits, thus making them healthier workers.

  91. Maverick Madison

    September 7, 2020 at 2:13 pm

    I always tell this to people, they don’t believe me, their response was…
    _”Oh really…”_

  92. Abhishek Ranjan

    September 7, 2020 at 4:26 pm

    I’m gonna die, good bye everyone

  93. Jim Wilbourne

    September 7, 2020 at 4:26 pm

    This might sound stupid, but I’ve always had a hard time finding an answer to the opposite of this: “How long should you stay awake?” I’ve always wondered this because knowing this could help me fine-tune my sleep schedule. I don’t have a traditional job, so I have the ability to do that, and I’d love some research on this. I want to know how long I should stay awake before I recharge so that I make the best out of my hours awake.

  94. Ackerfuck

    September 7, 2020 at 4:49 pm

    *laughs in 45 mins of sleep*

  95. killedbysociety

    September 7, 2020 at 5:38 pm

    Why can’t YouTube comments be prolific and mature anymore ugh…..

  96. Kensho Alexander

    September 7, 2020 at 6:48 pm

    Ight, time to sleep

  97. ElvenArcher

    September 7, 2020 at 11:31 pm

    oh look its 3am @.@

  98. Yaciine Moussedded

    September 7, 2020 at 11:39 pm

    watching this video at the middle of the night

  99. Frank Hobbs

    September 7, 2020 at 11:53 pm

    I swear if i get just a little less than 7 hours of sleep im totally exhausted the next day. Like even if i get 6 hours 45 minutes of sleep. However 7 hours and 15 minutes and im fine.

  100. Cool Boy

    September 8, 2020 at 3:36 am

    How to increase the quality of sleep

  101. Rui Ni

    September 8, 2020 at 4:20 am

    I would recommend the hairstylist of the POTUS to watch this video 👌

  102. Ajinkya Jadhav

    September 8, 2020 at 4:46 am

    He looks like Donald Trump after a fat loss

  103. Rebel

    September 8, 2020 at 6:29 am

    Best video ever

  104. Mohamed ajmal

    September 8, 2020 at 7:19 am

    Max 6:30
    Min 4:00

  105. Subash Siva

    September 8, 2020 at 8:09 am

    Any tyler durden here ?

  106. Shahbaz Hussain

    September 8, 2020 at 8:33 am

    13 year olds had this haircut in 2011, why does this middle aged dude have it in 2020?

  107. Mico De Leon

    September 8, 2020 at 8:33 am

    I can’t take him seriously with this beiber hair lol

  108. Brian Checo_joseph

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    • Russell Headrick

      September 8, 2020 at 8:36 am

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  109. Reagan Rodrigues

    September 8, 2020 at 10:00 am

    Who’s science, how do I sleep with her?

  110. Nameh Koudsie

    September 8, 2020 at 10:19 am

    It feels like the results of these studies are read in a manner that would support your argument.
    Please provide a link for the studies. One would actually prefer making a video explaining the study itself rather than giving us what you thought about it.

  111. naveen senapati

    September 8, 2020 at 10:36 am

    He looks Donald Trump on a keto diet

  112. Ethan Lee

    September 8, 2020 at 11:18 am

    Coursework says 4 hours

  113. kamal mehra

    September 8, 2020 at 12:10 pm

    For a start that irritating learn public speaking skills ad😭

  114. Hardeep Singh

    September 8, 2020 at 12:56 pm

    Sadhguru only sleeps 3-4 hours a day and he’s doing it from past 25 years . Please explain that too

  115. InuKa

    September 8, 2020 at 4:26 pm

    *Fun fact : If you don’t sleep, you feel sleepy*

  116. ChinaVSUS

    September 8, 2020 at 5:19 pm

    Me: Who cares? I like sleep.

  117. Adrian Logan

    September 8, 2020 at 8:39 pm

    He looks like someone/something, but I can’t quite put my finger on it. Any guesses?

  118. Dipo Galzonéz

    September 8, 2020 at 10:07 pm

    That hair at that age.

  119. Hiwa Jalal

    September 9, 2020 at 12:13 am

    For me when I sleep 8 to 11h I only get 1:30 deep sleep but when I sleep 5h almost half of it is deep sleep.

  120. Tushar Azad 12 D Roll 24

    September 9, 2020 at 2:43 am

    For the last time, I am not sleeping with science.
    It’s like an enemy to me.

  121. Thịnh Trần

    September 9, 2020 at 5:54 am

    so i finally see the guy who is in every Ted ed video

  122. M Eight

    September 9, 2020 at 7:32 am

    In urdu and punjabi speaking areas, we say jo sota hai woh khota hai means longer u sleep, more you lose. But never mind lol

  123. Rohit Ratha

    September 9, 2020 at 10:13 am

    He looks like someone’s president.

  124. Scato Burrows

    September 9, 2020 at 1:23 pm

    this is how justin bieber looks like without sleep

  125. HS Peresah

    September 9, 2020 at 5:00 pm

    So the answer is don’t sleep too long or too short, 9 hours but not really

  126. 00785pp

    September 9, 2020 at 5:28 pm

    I’m immortal

  127. Sninja Project

    September 9, 2020 at 5:32 pm

    Sorry, I slept, what were you saying?

  128. Mateus Leão

    September 9, 2020 at 6:08 pm

    TED: How much sleep do you really need?
    Me: Yes

  129. Jimmy C

    September 9, 2020 at 8:25 pm

    Imagine staying up and watch this video

  130. lunar eclipse

    September 9, 2020 at 8:55 pm

    Me with sleeping problems and getting 5-6 hours
    👁👄👁

  131. EnigRel

    September 9, 2020 at 10:30 pm

    I wonder what kind of baby will be born if I were sleeping with science.

  132. dipesh kumar gadiya

    September 9, 2020 at 10:58 pm

    So you didn’t told how much sleep we need !!💯

  133. Tom Anonym

    September 9, 2020 at 11:37 pm

    A third option is that people have less connection these days and perhaps some psychological “problems” as a result of that, or on top of it. When you lack purpose and feel like you’re just pointlessly drifting through life, or if you’ve had enough stress, you might slowly start dying. That was my experience at least.

  134. Dee F

    September 10, 2020 at 12:09 am

    You know what? Stop worrying about it. Sleep quality is more important. What if your graph says you will live 2 years less than you could have but you die in a car accident at 71? Or you die at 101 instead of 103 but you achieved everything you wanted to and were living in a nursing home and had alzheimer’s and didn’t remember anyway? It’s all relative and life isn’t a test. You don’t get a score out of 100 and get detention if it’s less than 50 points. Be free; be kind; go live in peace.

  135. lle Hou

    September 10, 2020 at 12:35 am

    11pm—5am

  136. jimmy

    September 10, 2020 at 1:46 am

    science? i hardly even know her!

  137. no noo

    September 10, 2020 at 2:33 am

    Does anyone have the scientific data for this arguement?

    All I hear are words and no proof. I myself sleep 8 – 10 hours a night or day depending on my schedule and I am very healthy. .

  138. John Hasse

    September 10, 2020 at 11:29 am

    Let’s hear it for ‘post hoc ergo propter hoc’.

  139. Ahmed Benazzouz

    September 10, 2020 at 4:11 pm

    thank you !

  140. syed ayan

    September 10, 2020 at 4:24 pm

    Fun fact : weather you sleep or not you will definitely die one day…

  141. Shemdogga

    September 10, 2020 at 6:31 pm

    That awkward moment when your watching this at 2AM…

  142. Elon Musk

    September 10, 2020 at 7:02 pm

    His eyes are more bright than my future..

  143. Dr_Gaurav Arora

    September 10, 2020 at 7:14 pm

    Mbbs walo ka kya hoga?

  144. This Walks

    September 10, 2020 at 7:24 pm

    you look like junior trump with better hairwax

  145. avi brar

    September 10, 2020 at 7:31 pm

    Diet Donald Trump….

  146. Kimani Stuff

    September 10, 2020 at 10:41 pm

    I’ve just watched that billionaires don’t sleep.

    • Alex Palyshka

      September 12, 2020 at 8:03 am

      That’s because they’re vampires.

  147. Gabriel McWethy

    September 10, 2020 at 11:13 pm

    Guys, I slept 9.5 hours last night, I’m scared

    • Thazin Win

      September 12, 2020 at 5:52 pm

      😂

  148. Erik Aamot

    September 11, 2020 at 1:11 am

    I sleep very soundly, go right to sleep and when I wake, get right up feeling fine .. 6 hours typical .. my whole adult life
    67 years old with same BMI as at 20 .. 19.1 .. no aches and pains .. still flexible .. no known health issues

  149. Harsh Jain Jain

    September 11, 2020 at 2:54 am

    Then WHAT’S WRONG WITH ELON MUSK ???

  150. Paul

    September 11, 2020 at 6:54 am

    I’ve been watching late 70’s and the 80’s boxing matches/highlights (Thomas Hearns, Marvin Hagler, Sugar Ray, Wilfred Benitez, Mr. Hands of Stone a.k.a no mass.)

    Let me watch some Floyd Mayweather to help me sleep.

    Goodnight World.

  151. Jovan Setiawan

    September 11, 2020 at 11:56 am

    yup i agree with you matt

  152. Akash Gogi

    September 11, 2020 at 12:02 pm

    Just play these videos at 1.5x

  153. Leo Mintu

    September 11, 2020 at 4:45 pm

    Sir, your book is so usefull, thanks a lot for this wonderfull book(why we sleep)

  154. wiskey 92

    September 11, 2020 at 7:03 pm

    7h47

  155. Tuason Beast

    September 12, 2020 at 12:32 am

    Ted, can you make a video about sleep and testosterone correlation

  156. ifeanyi nwachukuw

    September 12, 2020 at 1:26 am

    It’s 2.25 am😂

  157. ARNAB PAUL

    September 12, 2020 at 1:49 am

    Just weak up.
    Now motivated enough to sleep again.
    Thank u.

  158. Praveen Kumar

    September 12, 2020 at 3:28 am

    No matter how many videos i watch on sleep I am still convinced that if you sleep in phases. you can save time and do more things. Like sleep for 4 and half hours at night and then taking naps somewhere around 10 in the morning and another around 3.30 PM . Am i crazy ?

  159. AweSplat

    September 12, 2020 at 5:03 am

    Online school already ruined my sleep

  160. Yubi Entertainment

    September 12, 2020 at 1:01 pm

    Everything I love to do has a high risk of death!

  161. Everyday I feel better and better about myself

    September 12, 2020 at 1:50 pm

    I am not getting enough sleep 🤓want to sleep like I did in childhood ☺️

  162. IamArt

    September 12, 2020 at 4:06 pm

    I’ve just read a research suggesting that not everyone needs the same amount of sleep. It has also been found out that there is a genetic mutation in some people which make them function well even when they sleep significantly lesser than the recommended amount.

    • IamArt

      September 12, 2020 at 4:10 pm

      I also know someone who gets regularly 5 hours of sleep but not following a specific schedule. She thinks that it’s much better to sleep shorter as long as you do it when your body needs it. That is if your job allows you to.

  163. monmoomoon aja!

    September 12, 2020 at 6:02 pm

    Watching this at 2 am: Oh my gosh am i gona die?

  164. س

    September 12, 2020 at 6:17 pm

    I started sleeping before 11pm everyday, it changed my life. I’m in a better mood always and I’m more productive, sleep is essential, no wonder it takes up to 8 hours of our day

  165. Mandip Dangol

    September 12, 2020 at 7:06 pm

    Okay why do we have to watch this guy?

  166. affirazer

    September 12, 2020 at 7:09 pm

    this man needs a haircut

  167. Shadow Hunter

    September 12, 2020 at 11:09 pm

    Before I watch the video, I know the answer: 0.

  168. Yên Đặng

    September 13, 2020 at 2:15 am

    1 finished

  169. Utkal Keshari Das

    September 13, 2020 at 4:50 am

    Ok Chuck Norris with Trump’s hair

  170. Raghav Mehta

    September 13, 2020 at 6:18 am

    Modi ji only sleeps 4 hours a day . (Neutral statement). Improvise

  171. Awaken Online

    September 13, 2020 at 6:50 am

    I sleep for 6 hours in 4 days….. 3 sleepless days followed by a long 6 hour sleep on the 4th day…. It works wonder for me

  172. Slam_24

    September 13, 2020 at 7:54 am

    ‘The shorter your sleep, the shorter your life.’ Now that’s a paradox if I’ve ever heard one.

  173. 盧正熹

    September 13, 2020 at 9:22 am

    holy crap. I sleep 6 hours on weekdays and 11 hours on weekends. I am dead.

  174. Srinivasan S

    September 13, 2020 at 3:48 pm

    Please continue the Think Like A Coder series, I absolutely LOVED it

  175. Vidha C

    September 13, 2020 at 4:07 pm

    1:22 for the little piece of fact

  176. Please Help Me Gain 1K Subscribers

    September 13, 2020 at 4:32 pm

    Whoever watching this will surely succeed in life

  177. Please Help Me Gain 1K Subscribers

    September 13, 2020 at 4:33 pm

    Whoever watching this will surely succeed in life🙂

  178. Kayla Arthur

    September 13, 2020 at 5:02 pm

    He looks like Best Jeanist.

  179. Jack Black

    September 13, 2020 at 6:08 pm

    Is there any way to sleep 8 hours in 4 hours??

  180. Ripudaman Bhardwaj

    September 13, 2020 at 7:36 pm

    I know some people out there are like me who are watching this instead of sleeping actually.

  181. Robin Kango

    September 13, 2020 at 7:53 pm

    let me guess, you’re watching this at like 1-3 am at least

  182. ITouchTheSky 8GladysWorld8

    September 13, 2020 at 8:43 pm

    I sleep 5 hours a day here on the top of the mountain. Thank you so much for talking about this topic.

  183. Farhan Rafid

    September 13, 2020 at 11:07 pm

    why is his hair like that

  184. Snuggie's3rdHole

    September 14, 2020 at 12:32 am

    It’s called depression bruv

  185. Aditya

    September 14, 2020 at 1:16 am

    His mom may not be shooting at him to wake up

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Nonprofits & Activism

From Prison to Purpose Through Wildland Firefighting | Royal Ramey | TED

When wildfires rage in California, incarcerated people are often on the front lines fighting the flames. TED Fellow Royal Ramey was one of them. He shares the story of how doing public service in prison inspired him to cofound the Forestry and Fire Recruitment Program, a nonprofit helping formerly incarcerated people become wildland firefighters —…

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When wildfires rage in California, incarcerated people are often on the front lines fighting the flames. TED Fellow Royal Ramey was one of them. He shares the story of how doing public service in prison inspired him to cofound the Forestry and Fire Recruitment Program, a nonprofit helping formerly incarcerated people become wildland firefighters — and find purpose along the way. (Recorded at TED Fellows Films 2024 on April 16, 2024)

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Nonprofits & Activism

The Recipe for a Healthy Climate Starts at the Dinner Table | Anthony Myint | TED

Why aren’t restaurants part of the climate solution? This question inspired chef Anthony Myint to go from opening buzzy pop-ups to pushing for a shift to regenerative farming practices in the food system. He explains how it didn’t go the way he expected at first — and how restaurants are now teaming up with farmers…

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Why aren’t restaurants part of the climate solution? This question inspired chef Anthony Myint to go from opening buzzy pop-ups to pushing for a shift to regenerative farming practices in the food system. He explains how it didn’t go the way he expected at first — and how restaurants are now teaming up with farmers and eaters alike to restore the climate while serving up delicious food. (Recorded at TED Countdown 2024 Dilemma Series on June 6, 2024 )

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To End Extreme Poverty, Give Cash — Not Advice | Rory Stewart | TED

Are traditional philanthropy efforts actually taking money from the poor? Former UK Member of Parliament Rory Stewart breaks down why many global development projects waste money on programs that don’t work. He advocates for a radical reversal rooted in evidence: giving unconditional cash transfers directly to those in need, a method that could unlock the…

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Are traditional philanthropy efforts actually taking money from the poor? Former UK Member of Parliament Rory Stewart breaks down why many global development projects waste money on programs that don’t work. He advocates for a radical reversal rooted in evidence: giving unconditional cash transfers directly to those in need, a method that could unlock the secret of addressing extreme poverty worldwide. (Recorded at TED2024 on April 19, 2024)

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The TED Talks channel features talks, performances and original series from the world’s leading thinkers and doers. Subscribe to our channel for videos on Technology, Entertainment and Design — plus science, business, global issues, the arts and more. Visit to get our entire library of TED Talks, transcripts, translations, personalized talk recommendations and more.

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TED’s videos may be used for non-commercial purposes under a Creative Commons License, Attribution–Non Commercial–No Derivatives (or the CC BY – NC – ND 4.0 International) and in accordance with our TED Talks Usage Policy: . For more information on using TED for commercial purposes (e.g. employee learning, in a film or online course), please submit a Media Request at

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