is 7 hours and 30 minutes enough sleep for a 15 year old（関連順）

0:41

How many hours of sleep a night do I need?

Columbia University Irving Medical Center

106,820 回視聴 - 11 年前

2:55

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

TED

658,067 回視聴 - 4 年前

1:19

How many hours of sleep do you need?

Mount Sinai Health System

759,691 回視聴 - 7 年前

5:01

Is Six Hours of Sleep Enough?

NutritionFacts.org

123,340 回視聴 - 1 年前

2:18

Are naps actually good for us? | Sleeping with Science

TED

1,044,065 回視聴 - 2 年前

0:35

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

Dr Karan

3,187,356 回視聴 - 1 年前

9:21

Science Explains How Much Sleep You Need Depending on Your Age

Sleep Time & Age

What Happens to Your Body on Little Sleep?

ABC News

1,128,407 回視聴 - 8 年前

0:51

4 Hours of Sleep Is Enough

Sadhguru

648,800 回視聴 - 1 年前

1:54

Best and Worst Times to Sleep

TechnionSociety

126,111 回視聴 - 13 年前

5:09

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

The Yoga Institute

240,491 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

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

11:43

How to Stop Waking Up in the Middle of the Night- 6 Ways to Beat Insomnia Without Medication

Therapy in a Nutshell

1,848,183 回視聴 - 3 年前

1:58

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

Insider Tech

448,950 回視聴 - 7 年前

1:42

Should I be worried about my child’s disturbed sleep | Dr. Anil Kumar Sapare

Narayana Health

131,057 回視聴 - 3 年前

7:54

Why Getting the 8th Hour of Sleep Matters

Hypertroph

123,677 回視聴 - 3 年前

0:35

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

Inspire Greatness

1,815,497 回視聴 - 2 年前

0:38

I learned to Fall Asleep in 2 Minutes

Mike Shake

14,901,377 回視聴 - 2 年前

結果 : is 7 hours and 30 minutes enough sleep for a 15 year old