1 年前
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 ...。奋斗中的小镇青年遇到大城市的独居老人，同样孤独的两个人，不同的社会层次，不同的生活背景让他们之间矛盾频发、笑料百出，最终建立起跨血缘的深厚亲情。。
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