結果 : what happens if you only get a few hours of sleep
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
107,362 回視聴 - 11 年前
22:56

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

Dr. Sten Ekberg
207,801 回視聴 - 1 年前
3:47

What If You Sleep 2 Hours Less Every Night?

AsapSCIENCE
1,022,227 回視聴 - 4 年前
1:58

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

Insider Tech
449,056 回視聴 - 7 年前
3:58

What Happens to Your Body on Little Sleep?

ABC News
1,128,838 回視聴 - 8 年前
1:51

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

This Morning
53,761 回視聴 - 6 年前
3:54

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

TED
3,011,864 回視聴 - 2 年前
2:55

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

TED
658,820 回視聴 - 4 年前
0:23

Giraffes: only get around 30 minutes to 2 hours of sleep a day 🌙🦒#GiraffeFacts #SleeplessGiants

𝓙♡𝓓𝓪𝓷𝓲𝓮𝓵
33 回視聴 - 2 日前
11:19

What Happens When You Sleep 3 Hours a Night?

TopThink
186,489 回視聴 - 5 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
760,045 回視聴 - 7 年前
1:28

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

SELF
225,747 回視聴 - 10 年前
3:01

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

Thomas DeLauer
254,289 回視聴 - 9 年前
2:45

What happens when we sleep?

The Economist
10,304,140 回視聴 - 5 年前
10:01

How to Only Sleep 2 Hours Per Day

The Infographics Show
595,467 回視聴 - 4 年前
4:39

Why some people can thrive on less sleep – BBC REEL

BBC Global
56,921 回視聴 - 2 年前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,496,937 回視聴 - 10 年前
2:41

How To Survive A Day On No Sleep

Seeker
932,147 回視聴 - 10 年前
6:02

What Would Happen If You Got 9 hours of Sleep for 7 Days

Dr. Eric Berg DC
386,799 回視聴 - 3 年前
10:04

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

WIRED
902,555 回視聴 - 4 年前