正在播放:
甜鞭坛蜜
-
蓝光
甜鞭坛蜜
2008
不丹
[早教 纪录片 历史]
9 年前更新
剧情简介
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 ...。
