Irregular sleep-wake syndromeDefinitionIrregular sleep-wake syndrome involves different and disorganized periods of sleeping and wakeful behavior. Alternative Names Sleep-wake syndrome - irregular
CausesSome people have an irregular sleep-wake pattern because of a problem with brain function, the body's circadian pacemaker (internal clock), or other reasons. In other people, such as shift workers and travelers who change time zones frequently, outside factors cause this syndrome. Exams and TestsIndividuals with irregular sleep-wake syndrome may complain of either insomnia or excessive sleepiness. Patients usually have an irregular pattern of at least three sleep episodes during a 24-hour period. The total amount of time a person with this condition sleeps is considered normal for their age. No medical or mental disorder causes the symptoms, and no other sleep disorder is generally present. When to Contact a Medical ProfessionalMost people may occasionally have disturbances in their sleep. However, if this type of irregular sleep-wake pattern occurs regularly and without cause, you may consider consulting your health care provider. Illustrations and Images
Review Date:
5/19/2006 Reviewed By: Paul Ballas, D.O., Department of Psychiatry, Thomas Jefferson University Hospital, Philadelphia, PA. Review provided by VeriMed Healthcare Network. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Call 911 for all medical emergencies. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997-
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