07. Does one feel sleepier in zero-gravity? Do astronauts take catnaps? (A K2S Question)

From The Space Library

Typically, activities follow a set schedule with eight hours set aside for sleep. Astronauts can feel sleepy if they sleep too little or are trying to stay awake when their biological clock says they should be asleep.

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Answer provided by Dr. Jay C. Buckey, Jr.

Question and Answer extracted from the book Kids to Space - by Lonnie Schorer

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