26 年前
视频简介
长期在非洲帮助难民的医生玛丽娜，与姐姐安娜已经14年没有见面。当两人因缘际会继承了一家开在西班牙小岛上的面包店，再次重逢之时，她们将重新认识彼此，更因此揭开家族深藏的秘密。。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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