SALT LAKE CITY, UT--(MARKET WIRE)--Jun 23, 2006 -- Deirdre Stewart, Ph.D., presented information to a crowded audience on a new patient-friendly device for detecting gastric reflux in the airway and its application in sleep medicine at the Association of Polysomnographic Technologists meeting, a segment of the SLEEP 2006 Associated Professional Sleep Societies (APSS) event, June 17-22, 2006.