This review details most of those disorders, including narcolepsy with and without cataplexy, idiopathic hypersomnia with and without long sleep time, recurrent hypersomnia, behaviorally induced insufficient sleep syndrome, hypersomnia due to medical [ncbi.nlm.nih.gov]

Convert to ICD-10-CM : 780.54 converts approximately to: 2015/16 ICD-10-CM G47.10 Hypersomnia, unspecified Approximate Synonyms Daytime hypersomnia Hypersomnia Hypersomnia (excessive sleeping) Hypersomnia, daytime Hypersomnia, idiopathic Idiopathic hypersomnia [icd9data.com]

ISCD-3 Central Disorders of Hypersomnolence (Open Table in a new window) Primary Secondary Narcolepsy type 1 (NT1) Narcolepsy type 2 (NT2) Hypersomnia due to a medical condition Hypersomnia due to a psychiatric condition Idiopathic hypersomnia (IH) Hypersomnia [emedicine.com]

The only symptom is excessive fatigue. Secondary hypersomnia is due to other medical conditions. These can include sleep apnea, Parkinson’s disease, kidney failure, and chronic fatigue syndrome. [healthline.com]

Abstract Polysomnography and blood gas measurements during sleep in a young man with craniofacial dysostosis, who presented with an extremely severe sleep apnea syndrome, are reported. [ncbi.nlm.nih.gov]

Kayser-Fleischer ring was not detectable. D-penicillamine (DPA) was introduced. At 8-10 months after the initiation of the therapy the patient's complaints gradually resolved. [ncbi.nlm.nih.gov]

Electroencephalographic (EEG) background activity for this individual was slightly slowed in the EEG during an episode of hypersomnia, and intermittent slow activity was found in addition. [ncbi.nlm.nih.gov]

Severe neuronal loss and gliosis were observed in the midbrain and pontine raphe, particularly in dorsal raphe nucleus and superior central nucleus. Pontine and medullary reticular formation also showed a marked cell loss and fibrillary gliosis. [ncbi.nlm.nih.gov]

Both patients share the same HLA haplotype (HLA-DR1, DQ1) which has been found in Kleine-Levin syndrome. [ncbi.nlm.nih.gov]