title: Hypersomnia, bithalamic lesions, and altered sleep architecture in Kearns-Sayre syndrome.
abstract: An 11-year-old boy with Kearns-Sayre syndrome developed hypersomnia associated with bithalamic lesions and had complete absence of sleep spindles on a nocturnal polysomnogram.
mesh_terms: D002648:Child; D006970:Disorders of Excessive Somnolence / Q000150:complications* / Q000175:diagnosis; D006801:Humans; D007625:Kearns-Sayre Syndrome / Q000150:complications* / Q000175:diagnosis; D008297:Male; D009886:Ophthalmoplegia / Q000150:complications*; D012893:Sleep Wake Disorders / Q000150:complications*; D013786:Thalamic Diseases / Q000150:complications* / Q000175:diagnosis