TED演讲【一定要睡个好觉——有一个重要的原因!】20160414.pdf

00:11Sleep. Its something we spend about a third of our lives doing, but do any of us really understand what its all about? 睡眠 占用了我们一生三分之一的时间但是真正有人知道它到底是怎么回事吗？ 00:19Two thousand years ago, Galen, one of the most prominent medical researchers of the ancient world,proposed that while were awake,