11 年前
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骄傲的母亲 katherine 刚刚发现，她的女儿 michelle 在学术十项全能队中赢得了一席之地。但是，当一个学生进了医院，她开始怀疑团队里是否还有她不知道的事情。。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 ...。
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