結果 : is five hours of sleep bad for you
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
118,811 回視聴 - 11 年前
1:58

Why 4 Hours Of Sleep Is Terrible For You — Even If You Don't Feel Tired

Insider Tech
451,085 回視聴 - 7 年前
2:55

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

TED
672,655 回視聴 - 4 年前
1:51

I Can't Sleep for More Than 4 Hours a Night - Why? | This Morning

This Morning
55,340 回視聴 - 6 年前
0:35

Doctor Explains Why You DON’T Need 8 Hours Sleep!

Dr Karan
3,249,700 回視聴 - 1 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
766,763 回視聴 - 7 年前
3:54

Do You Really Need 8 Hours of Sleep Every Night? | Body Stuff with Dr. Jen Gunter | TED

TED
3,298,417 回視聴 - 2 年前
3:01

How to Sleep Less and Get More Out of Your Day- Thomas DeLauer

Thomas DeLauer
263,945 回視聴 - 9 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,518,614 回視聴 - 10 年前
10:33

10 Sleep Myths Finally Debunked

TopThink
1,105,315 回視聴 - 4 年前
2:22

"4 HOURS OF SLEEP" - The Fatal Mistake You're Making (Matthew Walker , Tim Grover , Rahul Jandial)

Be Inspired
209,306 回視聴 - 3 年前
5:51

How lack of sleep affects health and tips for a good night's rest

CBS Mornings
272,798 回視聴 - 7 年前
22:56

What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?

Dr. Sten Ekberg
212,035 回視聴 - 2 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,135,221 回視聴 - 9 年前
5:09

Yoga Guru - Hansaji | How many hours should you sleep?

The Yoga Institute
244,326 回視聴 - 7 年前
4:39

Why some people can thrive on less sleep – BBC REEL

BBC Global
59,067 回視聴 - 2 年前
2:55

Should you get 8 hours of sleep? | Andrew Huberman and Lex Fridman

Lex Clips
143,095 回視聴 - 3 年前
10:04

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

WIRED
904,218 回視聴 - 5 年前
1:00

This is How to Reset Your Sleep Schedule

HealthyGamerGG
366,120 回視聴 - 1 年前
15:22

Can you sleep for just 4 hours a day ??

We R Stupid
134,481 回視聴 - 2 年前