睡眠之谜HD中字

p 　　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 三九 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 study reveals that well-timed bursts of pink noise can nudge a person 三九 s brain waves, extending periods of slow-wave, or deep, sleep And toddlers learning new words show that taking even a short nap after learning something new can help the information stick And when it comes to sleeping poorly, it may turn out that having interrupted sleep can be just as harmful as missing sleep altogether As scientists come to understand the powerful role that sleep -- or lack of it -- plays in everything from memory to trauma to emotion regulation, one thing is clear: This biological function is as crucial as it is complex p 。本视频《睡眠之谜》由12306影视-播播影院12306ys.com收集自网络发布。如果您喜欢12306影视-播播影院提供的

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