The evolving diagnosis and classification of CNS hypersomnolence disorders

Abstract Purpose of Review We describe the evolution and limitations current diagnostic criteria classification systems CNS hypersomnolence disorders propose some changes. Recent Findings An unsupervised cluster analysis 1100 Europeans with identified narcolepsy type 1 phenotype but not other categories listed in ICSD-3. Summary There are long-standing unsolved issues regarding diagnosis central hypersomnolence. These include delineating identifying phenotypes unique conditions (“sui generis”), sleep deprivation’s impact on how to separate deprivation as a trigger from causes, well association excessive sleepiness disorders. discuss these present novel, straightforward system consistent terminology get out impasse do justice people