Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision Sleep Disorders > Introduction > Primary Sleep Disorders > Dyssomnias > 780.57 Breathing-Related Sleep Disorder Sections: Associated laboratory findings., Associated physical examination findings and general medical conditions.. Topics Discussed: sleep disorder, breathing-related. Excerpt: "The essential feature of Breathing-Related Sleep Disorder is sleep disruption, leading to excessive sleepiness or, less commonly, to insomnia, that is judged to be due to abnormalities of ventilation during sleep (e.g., sleep apnea or central alveolar hypoventilation) (Criterion A). This sleep disruption must not be better accounted for by a mental disorder and is not due to the direct physiological effects of a substance (including medication) or a general medical condition that produces sleep symptoms through a mechanism other than abnormal breathing (Criterion B).Excessive sleepiness is the most common presenting complaint of individuals with Breathing-Related Sleep Disorder. Sleepiness results from frequent arousals during nocturnal sleep as the individual attempts to breathe normally. The sleepiness is most evident in relaxing situations, such as when the individual is reading or watching television. The individual's inability to control the sleepiness can be evident in boring meetings or while attending movies, theater, or concerts. When sleepiness is extreme, the person may fall asleep while actively conversing, eating, walking, or driving. Naps tend to be unrefreshing and may be accompanied by a dull headache on awakening. However, there can be considerable variation in the intensity of the sleepiness. The impact of the sleepiness may be minimized by the individual, who may express pride about being able to sleep anywhere at any time...." DOI: 10.1176/appi.books.9780890423349.10660 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:     Athens Login 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.).