title: Human biologic rhythms.
mesh_terms: D002940:Circadian Rhythm; D004526:Efficiency; D006801:Humans; D007398:Interpersonal Relations; D008954:Models, Biological; D009729:Nursing; D012106:Research; D012893:Sleep Wake Disorders / Q000503:physiopathology; D013998:Time Perception; D014851:Wakefulness; D014940:Work Schedule Tolerance