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IrinaK [193]
3 years ago
12

What's a popular theory for why we sleep?

Biology
2 answers:
vovangra [49]3 years ago
5 0
I mean, we sleep because we need to do restorative processes like repairing tissue, oftentimes these processes only occur during sleep.
il63 [147K]3 years ago
3 0
Fatigue , tiredness
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B.) is the process of taking materials into the cell

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