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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 ...。《德云社岳云鹏相声专场南京站 2018》是德云社当红相声演员岳云鹏在南京的相声专场演出。说学逗唱，妙语连珠，精彩的相声表演引起现场观众的阵阵欢笑和喝彩，让整个会场都充满着温情与欢乐。。描述重症病患迎接无可避免的结局之际，与杰出的执业医生面对面，他们力图改变大众对生死的看法。。