NOVA: Mysteries of Sleep Like virtually every other animal, humans need sleep to survive. But why? 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 study reveals that well-timed bursts of pink noise can nudge a person'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.详情
Copyright 2024 v.liangshankui.com Inc. All Rights Reserved. 本网站提供新影视资源均系收集各大网站,并不提供影片资源存储,也不参与任何视频录制、上传 若本站收集的节目无意侵犯了贵司版权,请在留言板联系我们,我们处理相应资源 ICP备案号:蜀ICP备19031242号-1