Afternoon sleep in certain hypersomnolent states: "intermediate sleep".
D000293:Adolescent; D000328:Adult; D002940:Circadian Rhythm; D004325:Dreams; D004562:Electrocardiography; D004569:Electroencephalography; D004576:Electromyography; D004585:Electrooculography; D004834:Epilepsy, Post-Traumatic / Q000150:complications; D005133:Eye Movements; D005260:Female; D006331:Heart Diseases / Q000150:complications / Q000151:congenital; D006801:Humans; D006973:Hypertension / Q000150:complications; D008297:Male; D009290:Narcolepsy / Q000150:complications; D009765:Obesity / Q000150:complications; D010845:Obesity Hypoventilation Syndrome; D012119:Respiration; D012890:Sleep; D012893:Sleep Wake Disorders / Q000150:complications*; D014851:Wakefulness