REM sleep silences the siren of the brain

Something frightening or unpleasant does not go unnoticed. In our brain, the so-called limbic circuit of cells and connections immediately becomes active. First and foremost, such experiences activate the amygdala. In order for the brain to function properly, the siren must also be switched off again. For this, a restful REM sleep, the part of the sleep with the most vivid dreams, turns out to be essential.

from Top Health News — ScienceDaily https://www.sciencedaily.com/releases/2019/07/190711141258.htm

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