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Submission + - Sleep is the Ultimate Brainwasher (sciencemag.org)

sciencehabit writes: Every night since humans first evolved, we have made what might be considered a baffling, dangerous mistake. Despite the once-prevalent threat of being eaten by predators, and the loss of valuable time for gathering food, accumulating wealth, or having sex, we go to sleep. Scientists have long speculated and argued about why we devote roughly a third of our lives to sleep, but with little concrete data to support any particular theory. Now, new evidence has refreshed a long-held hypothesis: During sleep, the brain cleans itself.
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Sleep is the Ultimate Brainwasher

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Anyone can do any amount of work provided it isn't the work he is supposed to be doing at the moment. -- Robert Benchley

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