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詹姆斯从未想过一只流浪的橘猫可以拯救自己的人生。戒毒成功后的他与猫咪鲍勃过着贫苦却温馨的日子，一人一猫的卖唱风景总是能在街头成为焦点，为他们带来更多收入。眼看着生活开始有了起色，不料鲍勃却突然受伤，詹姆斯也面临着被迫和鲍勃分离的危机……。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 ...。