title: [Bicircadian periodicity in the sleep-wakefulness cycle under timeless conditions. Polygraphic study].
mesh_terms: D000222:Adaptation, Physiological; D000328:Adult; D001683:Biological Clocks; D001831:Body Temperature; D001921:Brain / Q000502:physiology*; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D006321:Heart / Q000502:physiology; D006801:Humans; D008297:Male; D009132:Muscles / Q000502:physiology*; D010507:Periodicity; D011930:Reaction Time; D012007:Rectum; D012890:Sleep; D012895:Sleep, REM; D013997:Time Factors; D014851:Wakefulness
vernacular_title: Periodicite bicircadienne du cycle veille-sommeil dans des conditions hors du temps. Etude polygraphique