関連ワード:  is 15 hours of sleep good    is 15 hours of sleep good for you    is 15 hours of sleep healthy    is 15 hours of sleep enough    is 11 hours of sleep good for 15 year old    is 8 hours of sleep good for 15 year old    is 9 hours of sleep good for a 15 year old    is 7 hours of sleep good for a 15 year old    is 6 hours of sleep good for a 15 year old    is 10 hours of sleep good for a 15 year old  
結果 : is 15 hours of sleep good
0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center
97,246 回視聴 - 11 年前
2:55

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

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Can You Get Too Much Sleep?

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1:01

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

WCNC
136,978 回視聴 - 4 年前
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Can You Sleep Too Much? (The Answer Might Surprise You)

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389,246 回視聴 - 5 年前
1:19

How many hours of sleep do you need?

Mount Sinai Health System
752,487 回視聴 - 7 年前
0:35

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

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24:00:00

24 Hours of Relaxing Sleep Music • Deep Sleep Music, Meditation, Night Sounds, Relaxing Music, Calm

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What Happens to Your Body on Little Sleep?

ABC News
1,118,996 回視聴 - 8 年前
0:27

Do people really need 8 hours of sleep?

Cobra Mentorship
392,957 回視聴 - 1 年前
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12 Hours of Relaxing Sleep Music for Stress Relief, Sleeping & Meditation (Flying)

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1:51

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

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1:54

Best and Worst Times to Sleep

TechnionSociety
123,300 回視聴 - 13 年前
1:58

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

Insider Tech
446,053 回視聴 - 7 年前
9:21

Science Explains How Much Sleep You Need Depending on Your Age

BRIGHT SIDE
5,497,551 回視聴 - 6 年前
13:32

15 Steps to Better SLEEP (15 INSOMNIA Hacks) 2024

KenDBerryMD
146,911 回視聴 - 4 年前
15:00:04

15 Hours of Classical Music for Dogs - Help your Dog Sleep FAST! (2019)

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2:18

How to Stop Oversleeping | wikiHow Asks an Expert Sleep Doctor

wikiHow
129,748 回視聴 - 4 年前
0:44

The 90 Minute Rule for better Sleep!

Apna College
6,594,702 回視聴 - 2 年前
5:09

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

The Yoga Institute
235,928 回視聴 - 7 年前