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Release: Sept. 29, 2000

UI Health Care specialist to lead online chat on narcolepsy

IOWA CITY, Iowa -- Mark Eric Dyken, M.D., director of the Sleep Disorders Center at the University of Iowa Hospitals and Clinics, a neurologist and an associate professor of neurology with University of Iowa Health Care, will lead an hour-long, online question-and-answer discussion on narcolepsy with a nationwide audience from 9 to 10 a.m. Monday, Oct. 2.

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

Narcolepsy is a sleep disorder associated with uncontrollable sleepiness and frequent daytime sleeping. It affects both men and women and is usually diagnosed in people between ages 15 and 25. Narcolepsy is characterized by episodes of frequent, uncontrollable daytime sleeping, usually preceded by drowsiness. The episodes usually occur after meals. There is a brief period of sleep and the person awakens feeling refreshed. Dyken will discuss symptoms, diagnosis and treatment, and will answer questions from the audience.

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. He completed his residency in neurology and a fellowship in electrophysiology and sleep disorders at the UI. 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 University of Iowa 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.

University of Iowa 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.