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《亚洲色精品aⅴ一区二区三区》拍摄于2020年，所属题材类型：纪录 ，是一部杰伊·桑德斯 主演的中国大陆综艺，影片的导演是Terri Randall 。
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《亚洲色精品aⅴ一区二区三区》拍摄于2020年，所属题材类型：纪录 ，是一部杰伊·桑德斯 主演的中国大陆综艺，影片的导演是Terri Randall 。
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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 whats 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 persons 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.
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