

TED Talks
Jeff Iliff: One more reason to get a good night’s sleep
TV-PG
2014 • E192 Oct 13, 2014 15mThe 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.