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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 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 ...。8位玩家意外进入童话世界“星守村”，经历一段特别的生活。在这个由孩子主宰的世界里，他们只需通过“玩”的方式就能自力更生，感受生活最纯粹的快乐。想要永远留在这里，他们必须通过“减龄”考验，最终获得成为“永久居民”实现童年愿望的机会。。