Dyssomnias (i.e., insomnias or hypersomnias) associated with dysfunction of internal sleep mechanisms or secondary to a sleep-related medical disorder (e.g., sleep apnea, post-traumatic sleep disorders, etc.). (From Thorpy, Sleep Disorders Medicine, 1994, p187)

Synonyms: Post-Traumatic Hypersomnias, Hypersomnia, Post-Traumatic, Sleep State Misperceptions, Sleep Disorder, Intrinsic, Hypersomnia, Posttraumatic, Posttraumatic Hypersomnia, Hypersomnia, Post Traumatic, Sleep State Misperception, Posttraumatic Hypersomnias, Intrinsic Sleep Disorder, Intrinsic Sleep Disorders, Hypersomnias, Post-Traumatic, Sleep Disorders, Intrinsic, Post-Traumatic Hypersomnia, Hypersomnias, Posttraumatic