repitition

视频简介

该片讲述了一位默默无闻的落魄作家司徒乾，他偶然间识破了杀手组织的“暗文”，找到了隐藏在人群中的杀手，他决定：出重金暗杀“司徒乾”——也就是他自己！然而，接二连三的阴谋和始料未及的反转，还在黑暗中等着他……。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 ...。