結果 : how bad is it to only get 5 hours of sleep
0:41

How many hours of sleep a night do I need?

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How many hours of sleep do you need?

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

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

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

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What Happens to Your Body on Little Sleep?

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Why some people can thrive on less sleep – BBC REEL

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What Happens If You ONLY SLEEP 4 Hours A Night for 30 Days?

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10 Sleep Myths Finally Debunked

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15:22

Can you sleep for just 4 hours a day ??

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How a Sleep Doctor Trained His Body To Survive On Less Than 8 Hours Of Sleep a Night

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

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Scientist Explains How Some People Need Only 4 Hours of Sleep | WIRED

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Gravity Position - How to make 5 hours of sleep feel like 8.

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0:35

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

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