etiologyEtiology refers to the cause or basis of a disease or condition. Related web pages: Resources for researchers and sleep study centersDiagnosis, classification, symptoms, and causes of hypersomniasContinuing to Unravel the Genetic Mystery of NarcolepsyIn Case You Missed It! – March 2020GlossaryHypersomnia Research-Where We Are and Where We Are Headed<< Back to glossary index