結果 : why do young adults sleep more
2:32

How Do Teenagers Sleep Differently? | Matthew Walker

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2:18

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What happens when we sleep?

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How Sleep Affects Your Brain

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0:30

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0:35

Sleep deprivation can lead to a 300-400% increase in being depressed and anxious

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How many hours of sleep a night do I need?

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0:35

8 時間の睡眠は必要ではない理由を医師が解説します。

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5:12

What causes insomnia? - Dan Kwartler

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Why some people can thrive on less sleep – BBC REEL

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Hypersomnia, Causes, Signs and Symptoms, Diagnosis and Treatment.

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How to deal with your insomnia — and finally get to sleep | Sleeping with Science

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裸で寝てはいけない理由!

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0:56

Sleep deprivation test with a spoon - are you sleep deprived?

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9:21

Science Explains How Much Sleep You Need Depending on Your Age

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