If you want to go to Mars, don't expect to get a good night's sleep1/8/2013
One of the unexpected difficulties of mankind's mission to Mars will be ensuring the astronauts get enough sleep. That's one of the newly published findings from the Mars-500 mission, a psychological experiment that simulated how people would cope with a journey to the red planet by cutting off six "crew members" from the real world for 17 months. One of the crew became "isolated" after he slipped out of a 24-hour sleep cycle and into a 25-hour one, putting him out of sync with his colleagues, while others developed sleep deprivation problems and "mild depression." [Source]
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