brain disorder narcolepsy without cataplexy https://github.com/monarch-initiative/mondo/issues/7264 A type of narcolepsy characterized by excessive day-time sleepiness associated with uncontrollable sleep urges and sometimes paralysis at sleep, hypnagogic hallucinations and automatic behavior. This term is also known as narcolepsy type 2 and is different from MONDO:0011607 narcolepsy 2, susceptibility to. MEDGEN:781102 Orphanet:83465 icd11.foundation:1494673323 EFO:0005855 GARD:0019038 ICD10CM:G47.419 MONDO:0019371 UMLS:C1456240 ICD9:347.00 SCTID:91521000119104 narcolepsy type 2 narcolepsy