Why do we get so rested on just 10 minutes of sleep and why do we get the opposite effect if we sleep for a longer time?
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When the body sleeps, waves of cerebral spinal fluid course through the brain, essentially flushing it like a toilet. I have no proof that this is true, but I’ve always felt that a Power Nap nudges you to produce one weak wave, enough to make you feel refreshed.
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