結果 : is 9 hours of sleep healthy
6:02

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

Dr. Eric Berg DC
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2:55

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

TED
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3:54

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

TED
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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
1:19

How many hours of sleep do you need?

Mount Sinai Health System
759,698 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
84,024 回視聴 - 3 年前
4:59

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

TheHealthNerd
604,427 回視聴 - 8 年前

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6:12

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

Jeremy Ethier
327,834 回視聴 - 5 年前
0:48

Good Health Tips for a Daily Life! #shorts #healthylifestyle #motivation #healthytips #viralshorts

Positive News Stories
46 回視聴 - 2 日前
3:24

How Much Sleep Do You Actually Need?

AsapSCIENCE
11,495,816 回視聴 - 10 年前

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6:25

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

Better Than Yesterday
393,808 回視聴 - 5 年前
6:38

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

TED
2,068,374 回視聴 - 6 年前
3:33

How Much Sleep Do You Need? - Professor Of Neuroscience, Russel Foster

Deep Dive with Ali Abdaal
57,789 回視聴 - 2 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,503,459 回視聴 - 6 年前
5:51

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

CBS Mornings
267,752 回視聴 - 7 年前
13:24

My Evidence-Based Sleep Routine

Ali Abdaal
1,478,959 回視聴 - 1 年前
0:35

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

Inspire Greatness
1,815,734 回視聴 - 2 年前
11:05

Why You're Always Tired - 7 Myths Ruining Your Sleep

Ali Abdaal
6,254,905 回視聴 - 1 年前
0:27

Don't sleep on your back!

YOGABODY
488,192 回視聴 - 1 年前
7:54

Why Getting the 8th Hour of Sleep Matters

Hypertroph
123,677 回視聴 - 3 年前