One more reason to get a good night’s sleep

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October 13, 2014 Today’s TED Talk Jeff Iliff: One more reason to get a good night’s sleep 11:41 minutes · TEDMED 2014 The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid itself of vital nutrients? New research suggests it has to do with sleep. Watch now » Playlist of the Day How does my brain work? How exactly does the brain -- a 3-pound snarl of nervous tissue -- create inspired inventions, the feeling of hunger, the experience of beauty, the sense of self? Researchers at the edge of science explain … Watch » 9 talks · Total run time 2:20:43 Become a Fan on Facebook Follow us @TEDTalks Read more at ideas.ted.com  Get the TED app for iPhone, iPad and Android

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