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 ...。Emiliano returns to Monterrey after his accident, only to find himself face to face to the ghosts of his new life.。弥留之际,张伟看着漫天的烟花留下不甘的泪水,幻想着如果能再活一次,自己一定要让黑中介付出代价,没想到再次醒来,张伟发现自己重生了,并且重生到了一周前,想起前世的种种,张伟决定,这一次,自己不仅要拯救自己的母亲,还要将这个黑中介团伙绳之以法!。