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Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED

Researcher Ying-Hui Fu has found two rare genes that allow some people to be “natural short sleepers” who feel rested after a mere 4 or 5 hours per night. WIRED’s Arielle Pardes sat down with Dr. Fu to discuss her findings. Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV,…

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Researcher Ying-Hui Fu has found two rare genes that allow some people to be “natural short sleepers” who feel rested after a mere 4 or 5 hours per night. WIRED’s Arielle Pardes sat down with Dr. Fu to discuss her findings.

Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV. Here you can find your favorite WIRED shows and new episodes of our latest hit series Tradecraft.

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Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED

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25 Comments

25 Comments

  1. Loki D. Wolf - Random Stuff

    December 1, 2019 at 8:23 pm

    Ok, that’s normal! I only need 5 hours. I can’t sleep longer. Even if I stay up super late. It’s ALWAYS 5 hours. So glad this video was made. I’ve tried telling people 8 hours isn’t needed for everyone.

  2. daniel baecellos

    December 1, 2019 at 8:59 pm

    Is that a dream only for me?

  3. shruti swaroop

    December 1, 2019 at 11:07 pm

    Me at 4 am : watches 4 hours of sleep.
    My alarm : 2 hour workout session at 6:20 am.

  4. Alpha Beta Zeta

    December 2, 2019 at 12:23 am

    Oh. I’ve never been able to explain this before

  5. Caitlin Emilio

    December 2, 2019 at 1:24 am

    I think it’s because I pulled so many all nighters during high school lol

  6. _Egg_

    December 2, 2019 at 1:41 am

    _How does one posses this power?_

  7. Shadow747

    December 2, 2019 at 4:48 am

    Bruh. I need at least 10 hours of sleep to exist

  8. Shadow747

    December 2, 2019 at 4:51 am

    Heheh.. crispr, awww yea..

  9. Shadow747

    December 2, 2019 at 4:53 am

    That woman has thicc bro arms tho lmao

  10. Shadow747

    December 2, 2019 at 4:55 am

    6:15 Arrested?

  11. killernat1234

    December 2, 2019 at 5:06 am

    Sometimes I wonder if I’m a short sleeper but sometimes I also wonder if I’m a heavy sleeper where I sleep 16 hours

  12. SupaVibraniumGuy

    December 2, 2019 at 6:05 am

    Naild it! I only need 4 hours and it hurts when i push past 5 hours of sleep. My girlfriend sleeps 8 hours and feels wonderful after.

  13. L S

    December 2, 2019 at 6:18 am

    This would solve a lot of my problems

  14. Ali Beydoun

    December 2, 2019 at 6:44 am

    I sleep 21 hours a nayte

  15. Eric Cartman

    December 2, 2019 at 7:02 am

    The there’s me needs 12 hours of sleep

  16. Jeffrey Phillip

    December 2, 2019 at 9:13 am

    -_-

  17. Minecrat Silent Build

    December 2, 2019 at 9:26 am

    im one of those few who only need like 3 or 4 hours of sleep a night cause if i try to sleep longer i get a massive headache or weakness

  18. Psychoticbreak

    December 2, 2019 at 9:56 am

    I usually only sleep about 5 hours a day. Can’t stand sleeping any longer. May have something to do with the fact that I have worked the graveyard shift for the past 20 years.

  19. Takaiwase

    December 2, 2019 at 10:17 am

    0:34 I am a waifu .. lol

  20. Tito Cristobal

    December 2, 2019 at 10:56 am

    Weird. The guy in the thumbnail slept and woke up as a woman.

  21. Katie •

    December 2, 2019 at 11:07 am

    My mother does this nonsense. Sleeping typically a total of 4 hours.
    I myself am the opposite. & I absolutely LOVE dreaming it helps me realizing things in my day to day life.

  22. Katie •

    December 2, 2019 at 11:12 am

    I would be interested to see their cortisol, melatonin & thyroid hormone levels!

  23. icantechnomore

    December 2, 2019 at 11:21 am

    Crackheads don’t need sleep at all!

  24. ralphshouse

    December 2, 2019 at 1:36 pm

    The Russians did a major research project on short sleeper training for its soldiers during the war. Soldiers were trained to achieve rem sleep state in a short time allowing for a 4 hour sleep set as adequate.

  25. Prabhat Pal

    December 2, 2019 at 1:43 pm

    Is this the future….The next stage of evolution…

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Entertainment

Self Defense Expert Answers Self Defense Questions | WIRED

Self defense instructor, author, and motivational speaker Avital Zeisler joins WIRED to answer the internet’s questions about self defense. 0:00 Self-Defense Support 0:14 “Strike and Flee” Self-Defense 1:04 Shouting for help 1:50 What to do when you’re being followed 2:49 Groin kicks 3:32 Everyday items as self-defense tools 4:37 Keys 5:27 Self-defense mistakes 7:02 Pepper…

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Self defense instructor, author, and motivational speaker Avital Zeisler joins WIRED to answer the internet’s questions about self defense.

0:00 Self-Defense Support
0:14 “Strike and Flee” Self-Defense
1:04 Shouting for help
1:50 What to do when you’re being followed
2:49 Groin kicks
3:32 Everyday items as self-defense tools
4:37 Keys
5:27 Self-defense mistakes
7:02 Pepper spray
7:43 Best weapon or skill for self-defense
8:39 Being forced into a vehicle
9:10 Running as self-defense
9:34 How to break free when pinned against a wall
10:51 When attacked by a woman
11:19 The bat
12:34 Breaking free from a hair grab
13:25 Improving reaction time and reflexes
14:47 How to escape a chokehold
15:59 Eye pokes
16:19 Overcoming the freeze response
16:43 Deciding to defend yourself
17:07 Best personal safety app
17:59 Deescalation tips
19:57 Getting rid of a creep
21:14 Protecting yourself from domestic violence
22:01 Self-defense when confronted with a weapon
23:03 Toss your wallet and run?
23:36 Trust your instincts

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BTS Do The WIRED Autocomplete Interview

Jin, Suga, J-Hope, RM, Jimin, V, and Jung Kook of BTS (방탄소년단) visit WIRED to answer their most searched for questions! Still haven’t subscribed to WIRED on YouTube? ►► Listen to the Get WIRED podcast ►► Want more WIRED? Get the magazine ►► Follow WIRED: Instagram ►► Twitter ►► Facebook ►► Tik Tok ►► Also,…

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Jin, Suga, J-Hope, RM, Jimin, V, and Jung Kook of BTS (방탄소년단) visit WIRED to answer their most searched for questions!

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BTS (방탄소년단) Answer The Web’s Most Searched Questions | WIRED

Jin, Suga, J-Hope, RM, Jimin, V, and Jung Kook of BTS (방탄소년단) visit WIRED to answer their most searched for questions! Still haven’t subscribed to WIRED on YouTube? ►► Listen to the Get WIRED podcast ►► Want more WIRED? Get the magazine ►► Follow WIRED: Instagram ►► Twitter ►► Facebook ►► Tik Tok ►► Also,…

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Jin, Suga, J-Hope, RM, Jimin, V, and Jung Kook of BTS (방탄소년단) visit WIRED to answer their most searched for questions!

Still haven’t subscribed to WIRED on YouTube? ►►
Listen to the Get WIRED podcast ►►
Want more WIRED? Get the magazine ►►

Follow WIRED:
Instagram ►►
Twitter ►►
Facebook ►►
Tik Tok ►►

Also, check out the free WIRED channel on Roku, Apple TV, Amazon Fire TV, and Android TV.

ABOUT WIRED
WIRED is where tomorrow is realized.

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