Editing 1345: Answers
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| titletext = Stanford sleep researcher William Dement said that after 50 years of studying sleep, the only really solid explanation he knows for why we do it is 'because we get sleepy'. | | titletext = Stanford sleep researcher William Dement said that after 50 years of studying sleep, the only really solid explanation he knows for why we do it is 'because we get sleepy'. | ||
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+ | The primary purpose of sleep may well be brainwashing. Lulu Xie et al. Sleep Drives Metabolite Clearance from the Adult Brain, Science 18 October 2013: Vol. 342 no. 6156 pp. 373-377. | ||
==Explanation== | ==Explanation== |