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电视剧讲述了抗战爆发后，在四川的一个小城以医生杨冠雨和退伍军人杜松山为主的一群爱国青年，与大发国难财的腐败官僚进行斗争的故事。。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 ...。