結果 : how long does coffee make you stay awake
2:57

Having Caffeine at Night Does More Than Keep You Up

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Scientists agree: Coffee naps are better than coffee or naps alone

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0:40

STOP Drinking Coffee In The Morning 🛑

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When to DRINK Coffee - Scientist explains (time of day)

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WHY I QUIT CAFFEINE FOR GOOD | And Why I'll Never Go Back

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7 Facts About Coffee You Probably Didn’t Know

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Are naps actually good for us? | Sleeping with Science

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