Space missions affect sleep patterns in astronauts


Barger LK, et al. Prevalence of sleep deficiency and use of hypnotic drugs in astronauts before, during, and after spaceflight: an observational study. The Lancet Neurology, e-pub before print 8 August 2014. Available at http://www.thelancet.com/journals/laneur/article/PIIS1474-4422(14)70122-X/abstract