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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