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Mock Mars trek finds down-to-Earth sleep woes

January 8th, 2013 admin Posted in salud publica | No Comments »

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WASHINGTON (AP) ? Astronauts have a down-to-Earth problem that could be even worse on a long trip to Mars: They can’t get enough sleep. And over time, the lack of slumber can turn intrepid space travelers into drowsy couch potatoes, a new study shows.

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