Physiological sleep patterns and cardiac arrhythmias.
D000328:Adult; D000704:Analysis of Variance; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D002540:Cerebral Cortex / Q000503:physiopathology; D003645:Death, Sudden / Q000209:etiology; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012306:Risk; D012890:Sleep / Q000502:physiology*; D012895:Sleep, REM / Q000502:physiology