Though chosen for the job as the best of the best, the would-be spacefarers spent more and more time under their duvets and sitting around idle as the mission wore on. The crew's activity levels plummeted in the first three months, and continued to fall for the next year...the results point to a need for tests that can spot astronauts who are vulnerable to sleep disorders, Basner said.Comment:
Three years is a very long time to be confined like that. Before anybody goes to Mars, they should be tested and trained as best as is possible.
Another possibility? Hibernation--- if that's feasible. A thought just occurred to me--- what if this excessive sleep is due to a natural tendency towards hibernation?
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