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 ...。某跨国公司亚洲分公司总裁何静波突遭杀害并造成自杀假像,其妻翠珊亦因为一句“杀夫”戏言而频频受到一个多情杀手的恐吓。正当案情毫无头绪之际,翠珊发现了一张丈夫留给自己,上面印有一串神秘数字的字条,于是决定亲自去冒险,解开这个秘密。可怕的是,她察觉到自己正步入一个危机四伏、凶险万分的陷阱。最后,翠珊终于发现这个杀害自己丈夫的幕后黑手。。