結果 : how bad is 5 hours of sleep once
2:55

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

TED
672,778 回視聴 - 4 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
118,843 回視聴 - 11 年前
0:35

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

Dr Karan
3,249,994 回視聴 - 1 年前
1:51

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

This Morning
55,349 回視聴 - 6 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
766,793 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
451,101 回視聴 - 7 年前
3:01

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

Thomas DeLauer
263,980 回視聴 - 9 年前
3:54

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

TED
3,299,551 回視聴 - 2 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,135,244 回視聴 - 9 年前
1:28

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

SELF
231,496 回視聴 - 10 年前
2:41

How To Survive A Day On No Sleep

Seeker
945,036 回視聴 - 10 年前
1:01

Why you're still tired after getting 8 hours of sleep

WCNC
149,436 回視聴 - 4 年前
6:25

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

Better Than Yesterday
397,527 回視聴 - 5 年前
2:55

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

Lex Clips
143,110 回視聴 - 3 年前
5:51

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

CBS Mornings
272,832 回視聴 - 7 年前
22:56

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

Dr. Sten Ekberg
212,062 回視聴 - 2 年前
0:35

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

Inspire Greatness
2,024,596 回視聴 - 2 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
127,570 回視聴 - 14 年前
5:09

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

The Yoga Institute
244,361 回視聴 - 7 年前
6:20

Why Humans Are Supposed to Sleep in Two 4-Hour Phases

Half as Interesting
2,634,125 回視聴 - 3 年前