Letter: Seasonal reduction of slow-wave sleep at an Antarctic coastal station.
D000222:Adaptation, Physiological; D000531:Altitude; D000864:Antarctic Regions; D002940:Circadian Rhythm; D003624:Darkness; D006801:Humans; D008027:Light; D008297:Male; D012621:Seasons; D012890:Sleep; D012893:Sleep Wake Disorders / Q000209:etiology*