Eli5: What does sleep actually do that makes us feel less tired?

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I’m not sure if anyone actually knows the full answer for this question, but are there any widely excepted theories about what sleep does?

In: Biology

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Anonymous 0 Comments

No one really knows the answer currently as to why we need sleep, know that we absolutely do need it, you can die from sleep deprivation, but for exactly why we don’t really know yet

We know that it gives our brains time to rest, and it could be as simple as that, that our brains require time to shut off and reset themselves. And as of right now that answer, your brain, a big biological computer, just needs time to shut off and reset itself.

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