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What's a popular theory for why we sleep?
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What's a popular theory for why we sleep?

User Mahsa Mortazavi
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2 Answers

5 votes
Fatigue , tiredness
User George Udosen
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5.5k points
3 votes
I mean, we sleep because we need to do restorative processes like repairing tissue, oftentimes these processes only occur during sleep.
User Spkrtn
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