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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 ...。Hollywood, California is turned upside down by a series of strange and horrific murders creating chaos and turmoil in tinsel town. One particular victim is kidnapped, held captive and subjected to witness the torture and murder of numerous other victims. It is by her will, strength, and faith that she must survive the ordeal. Her escape seems hopeless and only worsens when outs...。