Arrhythmias and the varieties of sleep.
D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D004562:Electrocardiography; D004644:Emotions; D005260:Female; D006339:Heart Rate; D006801:Humans; D008875:Middle Aged; D012890:Sleep; D013610:Tachycardia / Q000209:etiology