Peak relaxation is when you get home after a long day’s work and lie down on freshly washed sheets spread neatly on your bed. Well, one must thank the universe for the magical force that is gravity.

Astronauts face unique challenges during space missions, and their sleep patterns are no exception. A recent study conducted by researchers at Harvard College, Harvard Medical School, and NASA Ames ...

Sleep deficiency is pervasive among astronauts before and during space flight, and the reported incidence of sleep-promoting medication use is 20 times greater than the proportion of Americans ...

Astronaut Ron Garan sleeps in his sleeping bag on the International Space Station in 2008. (NASA) In March, two NASA astronauts finally returned to Earth after an eight-day mission devolved into a 286 ...