His activities include the evaluation and treatment of sleep-disordered breathing, narcolepsy, parasomnias, and restless leg syndrome. He is also involved in assessment of patients with obstructive sleep apnea who are unable to tolerate CPAP for alternative treatment options such as surgery and oral appliances. Dr. Avidan's primary research activities focus on medical student and physician education in sleep medicine. This NIH-funded program involves assessment of current sleep knowledge among medical students and house officers, and the development of educational tools and tutorials in sleep medicine. Dr. Avidan is also interested in the evaluation and management of sleep disorders in the older adult, and in the use of oral appliances for sleep apnea.