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Long space missions may be hazardous to your sleep

Crew on simulated Mars trip moved less and slept more during 520-day project

By
10:21pm, January 7, 2013

Astronauts on a months-long mission to Mars and back will have more to contend with than boredom and a lack of gourmet cuisine: Disrupted sleep may be a serious side effect of extended space flight, potentially changing crew dynamics and affecting performance on high-pressure tasks.

In an epic feat of playacting, a crew of six men lived for 520 days inside a hermetically sealed 550-cubic-meter

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