結果 : how bad is 5 hours of sleep once
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
106,837 回視聴 - 11 年前
2:55

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

TED
658,095 回視聴 - 4 年前
1:51

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

This Morning
53,652 回視聴 - 6 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
759,698 回視聴 - 7 年前
1:58

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

Insider Tech
448,950 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
3,004,820 回視聴 - 2 年前
3:01

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

Thomas DeLauer
253,807 回視聴 - 9 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,128,429 回視聴 - 8 年前
2:41

How To Survive A Day On No Sleep

Seeker
931,588 回視聴 - 10 年前
1:28

Pulling an All-Nighter vs. 2 Hours of Sleep: Which is Worse? – Healthy Living and Diet Tips–SELF

SELF
225,505 回視聴 - 10 年前
6:25

Can You Sleep Too Much? (The Answer Might Surprise You)

Better Than Yesterday
393,816 回視聴 - 5 年前
4:56

Tips to recover after a terrible night's sleep

11Alive
45,064 回視聴 - 6 年前
10:33

10 Sleep Myths Finally Debunked

TopThink
1,102,708 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
208,206 回視聴 - 3 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
126,115 回視聴 - 13 年前
5:51

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

CBS Mornings
267,755 回視聴 - 7 年前
2:55

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

Lex Clips
139,475 回視聴 - 3 年前
2:45

What happens when we sleep?

The Economist
10,301,601 回視聴 - 5 年前
0:35

Elon Musk Shares How Many Hours of Sleep He Needs to Be Productive! | @MindMasteryX

Inspire Greatness
1,816,026 回視聴 - 2 年前
5:09

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

The Yoga Institute
240,494 回視聴 - 7 年前