16 年前
视频简介
《人生加减法》是一档健康生活方式体验类节目。14位学员将在节目组的“加减学院”中度过100天的时间。他们将在校长、老师们的帮助和各种健康生活方式的影响下，改掉不良生活习惯找回人生主动权。。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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