Your brain slows in the afternoon, but a nap can work wonders. Napping for 45 minutes will turbo-charge your brain for six hours. Conversely, students who skip even an hour of sleep each night face a dramatic drop in academic performance. Sleep deprivation impairs "attention, executive function, immediate memory, working memory, mood, quantitative skills, logical reasoning ability, general math knowledge." Wouldn't it be great to match job schedules with people's inherent sleep patterns? Plus, a later school day would address teenagers' normal tendency to sleep late.
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