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Previously acclaimed for his essayistic documentaries, Philip Scheffner has now ventured into fiction. Zohra, played by Rhim Ibrir, already featured in Scheffner’s Havarie (Berlinale Forum 2016), is living in a town in southwestern France. She has a severe case of scoliosis. Volker Sattel’s camerawork examines X-rays, follows Zohra to the hospital and to an indoor swimming pool...。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 ...。