Saturday, June 4, 2005

NASA Naps

"Despite NASA recommendations that astronauts sleep 8 hours a day, they usually don't. Strange sights and sounds, the stress of riding a powerful rocket, the lack of a normal day-night cycle—all these things tend to keep space travelers awake. Studies show that astronauts typically sleep 0.5 to 2.5 hours less than they do on Earth." ...

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