[Estimation of autonomic nervous tone by evaluating minimal hourly heart rate].
D000328:Adult; D000368:Aged; D000375:Aging; D001341:Autonomic Nervous System / Q000502:physiology*; D002940:Circadian Rhythm; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D008991:Monitoring, Physiologic; D005082:Physical Exertion