The University of Iowa
The University of Iowa News Services Home News Releases UI in the News Subscribe to UI News Contact Us


8798 John Pappajohn Pavilion
Iowa City IA 52242
(319) 356-7124

Release: Nov. 3, 2000

UI Health Care specialist to lead online chat on sleep walking

IOWA CITY, Iowa -- Mark Eric Dyken, M.D., director of the Sleep Disorders Center at University of Iowa Hospitals and Clinics, a neurologist and an associate professor of neurology with UI Health Care, will lead an hour-long, online question-and-answer discussion on sleep walking with a nationwide audience on Monday, Nov. 6 from 9 to 10 am.

The online chat will be hosted by and can be accessed by entering through the home page under "Upcoming Events."

Sleep walking, or somnambulism, is a sleep disorder characterized by walking or other activity while seemingly still asleep. It occurs at any age but most often in children aged six to 12 years old. It may also occur in younger children, in adults, and the elderly. In children, the cause is usually unknown but may be related to fatigue, prior sleep loss, or anxiety. In adults, sleep walking is usually associated with a disorder of the mind but may also be seen with reactions to drugs and/or medications and alcohol, or epilepsy.

After receiving his medical degree from the Indiana University School of Medicine in Indianapolis, Dyken completed an internship in Internal Medicine at Ball Memorial Hospital. Dyken completed his residency in Neurology and a fellowship in electrophysiology and sleep disorders at UI College of Medicine. His specialty is neurology and sleep disorders. His clinical interests are sleep disorders medicine, obstructive sleep apnea, cerebrovascular disease, narcolepsy, parasomnias, and epilepsy.

A calendar of other upcoming chats by UI Health Care professionals and dialogue from past chats can be accessed by logging on to and clicking on the logo at the bottom of the page.

UI Health Care’s partnership with is part of an increasing trend in health care toward enhancing consumer services through the Internet. According to recent statistics compiled by Cyber Dialogue, a New York firm that tracks Internet commerce, there are approximately 22 million World Wide Web users seeking health information over the Internet. Cyber Dialogue projects that number to increase to 33 million over the next year.

University of Iowa Health Care describes the partnership between the UI College of Medicine and the UI Hospitals and Clinics and the patient care, medical education and research programs and services they provide.