Question

what happens to our body when we sleep?

Answer 1

After deep sleep, your brain starts to perk up, and its electrical activity starts to resemble the brain when itis awake. This is the period of the night when most dreams happen.Your muscles are temporarily paralysed, and your eyes dart back and forth, giving this stage its name, rapid eye movement (REM)sleep.
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Answer 2

Sleep serves to reenergize the body's cells, clear waste from the brain, and support learning and memory. ... Most of the sleepingwe do is of the SWS variety, characterized by large, slow brain waves, relaxed muscles and slow, deep breathing, which may help the brainand body to recuperate after a long day.

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