This document summarizes several primary sleep disorders, including dyssomnias and parasomnias. It provides detailed information on primary insomnia, primary hypersomnia, narcolepsy, and breathing-related sleep disorders. Key details include diagnostic criteria, associated features, prevalence, course, and specific characteristics of each disorder. Specific pages cover topics like insomnia symptoms, hypersomnia symptoms, narcolepsy symptoms including cataplexy, and the three forms of breathing-related sleep disorders.