結果 : is it healthy to get 9 hours of sleep
6:02

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

Dr. Eric Berg DC
386,740 回視聴 - 3 年前
2:55

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

TED
658,495 回視聴 - 4 年前
3:54

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

TED
3,008,402 回視聴 - 2 年前
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
107,147 回視聴 - 11 年前
6:25

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

Better Than Yesterday
393,920 回視聴 - 5 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
759,897 回視聴 - 7 年前
4:10

What Happens To Your Body When You Sleep 4-6 Hours vs 7-10 Hours

Body Hub
84,132 回視聴 - 3 年前
2:27

Can You Get Too Much Sleep?

SciShow
541,560 回視聴 - 7 年前
2:41

DMHB #44: Does sleep duration affect how much fruit and vegetables we eat? #sleep #fruits #vegetable

The Center for Nutritional Psychology
41 回視聴 - 2 日前

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6:38

The brain benefits of deep sleep -- and how to get more of it | Dan Gartenberg

TED
2,068,970 回視聴 - 6 年前
0:27

Do people really need 8 hours of sleep?

Cobra Mentorship
422,342 回視聴 - 1 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,503,616 回視聴 - 6 年前

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1:01

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

WCNC
144,132 回視聴 - 4 年前
5:51

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

CBS Mornings
267,912 回視聴 - 7 年前
5:31

Excess Sleep - Causes, Effects & Solutions I Dr. Medha Kapoor, PhD

Dr. Medha Kapoor, PhD
183,134 回視聴 - 5 年前
7:11

Sleep Smarter | Sleeping Science, How to be Better at it, & Feel More Refreshed

Med School Insiders
1,401,646 回視聴 - 7 年前
1:54

Best and Worst Times to Sleep

TechnionSociety
126,166 回視聴 - 13 年前
3:09

How to get a full 8 hours of sleep every night

Body Hub
45,012 回視聴 - 4 年前
4:59

The Importance of Sleep: 8 Scientific Health Benefits of Sleep + Sleeping Tips

TheHealthNerd
604,919 回視聴 - 8 年前
6:12

How Sleep Affects Your Gains (And How To Get More Of It!)

Jeremy Ethier
327,946 回視聴 - 5 年前