艾米莉亚克拉克
2010
5 年前
视频简介
A dad moves into a new house with his son and girlfriend. When he's out of town working, the son makes a new "friend" next doors.。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 ...。