title: [Application of chaos theory in analyzing the cardiac rhythm in healthy subjects at different sleep stages].
authors.forename: A
authors.initials: A
authors.lastname: Eĭdukaĭtis
authors.forename: G
authors.initials: G
authors.lastname: Varonetskas
authors.forename: D
authors.initials: D
authors.lastname: Zhemaĭtite
mesh_terms: D000328:Adult; D002320:Cardiovascular Physiological Phenomena; D004562:Electrocardiography; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D017711:Nonlinear Dynamics; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages