视频简介
NOVA: Mysteries of Sleep Like virtually every other animal, humans need sleep to survive. But why? What do we gain from spending nearly a third of our lives in such a defenseless state? And what's at stake if we sleep poorly? The functions of sleep have long been something of a mystery. But now scientists are peering deep into the brain to see what happens while we snooze. One ...。Sean, who runs a New York City advertising agency, and Owen, a small-town handyman and musician, swap residences for the holidays. Mia, who works for Sean, helps Owen get settled into his new apartment while Ryan, sent by Owen to fix a broken heater, helps Sean find the charm of living in a small town. Owen is a fish-out-of-water in the big city and tries to flirt with Halo, an...。