Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision Sleep Disorders Sections: Introduction, Primary Sleep Disorders, Dyssomnias, 307.42 Primary Insomnia, 307.44 Primary Hypersomnia, 347.00 Narcolepsy, 780.57 Breathing-Related Sleep Disorder, 327.xx Circadian Rhythm Sleep Disorder (formerly Sleep-Wake Schedule Disorder), 307.47 Dyssomnia Not Otherwise Specified, Parasomnias, 307.47 Nightmare Disorder (formerly Dream Anxiety Disorder), 307.46 Sleep Terror Disorder, 307.46 Sleepwalking Disorder, 307.47 Parasomnia Not Otherwise Specified, Sleep Disorders Related to Another Mental Disorder, 327.02 Insomnia Related to Another Mental Disorder; 327.15 Hypersomnia Related to Another Mental Disorder, Other Sleep Disorders, 327.xx Sleep Disorder Due to a General Medical Condition, Substance-Induced Sleep Disorder. Topics Discussed: sleep disorders. Excerpt: "The sleep disorders are organized into four major sections according to presumed etiology. Primary Sleep Disorders are those in which none of the etiologies listed below (i.e., another mental disorder, a general medical condition, or a substance) is responsible. Primary Sleep Disorders are presumed to arise from endogenous abnormalities in sleep-wake generating or timing mechanisms, often complicated by conditioning factors. Primary Sleep Disorders in turn are subdivided into Dyssomnias (characterized by abnormalities in the amount, quality, or timing of sleep) and Parasomnias (characterized by abnormal behavioral or physiological events occurring in association with sleep, specific sleep stages, or sleep-wake transitions).Sleep Disorder Related to Another Mental Disorder involves a prominent complaint of sleep disturbance that results from a diagnosable mental disorder (often a Mood Disorder or Anxiety Disorder) but that is sufficiently severe to warrant independent clinical attention. Presumably, the pathophysiological mechanisms responsible for..." The content above is only an excerpt. For full access subscribe now or log into your account below. You can also purchase 24- or 48-hour access; learn more Username: Password:   FORGOT your subscriber username and/or password? Get a reminder via email: The email I registered with is:  Not a subscriber? Subscribe Today PsychiatryOnline is a powerful website that features DSM-IV-TR® and The American Journal of Psychiatry as the cornerstones of an unsurpassed collection of psychiatric references, including books, journals, and self-assessment tools. PsychiatryOnline’s innovative platform makes these resources easy and convenient to use, offering Precise and powerful searching across books and journals. Quick pathways to related material. Mobile access from any computer with a Web connection. Ability to download any book section to PDA. Links from bibliographic references to the full text of journal articles. References to material not located in the PsychiatryOnline collection lead you to PubMed. Learn more about PsychiatryOnline Need more help? PsychiatryOnline Customer Service may be reached by emailing PsychiatryOnline@psych.org or by calling 800-368-5777 (in the U.S.) or 703-907-7322 (outside the U.S.).