Great Lakes Sleep Medicine Institute has been established to provide a comprehensive clinical evaluation, diagnostic testing and the treatment of all sleeping and waking disorders (sleep apnea, narcolepsy, restless legs, insomnia, sleep walking, etc).

Medical Director Y. Stefadu is a M.D., Ph. D., Board Certified in Sleep Medicine, a fellow of the American Academy of Sleep Medicine, and an author of more than 40 scientific publications. He has many years of experience servicing our community practicing sleep medicine.

Dr. Stefadu has worked as a senior staff member at Henry Ford Sleep Disorders Center, Port Huron Hospital Center for Sleep Medicine and River District Hospital Sleep Center.


Our staff is made up of Board Registered technologists who are friendly and highly experienced professionals, dedicated to provide the best in medical care. We utilize modern state of the art diagnostic equipment and provide the most thorough treatment and follow-up care available.

Our facility has a unique, home-like atmosphere with private bedrooms, shower, kitchenette, and an education room for the patient to feel extremely comfortable. Most major insurance plans are accepted, and they cover the cost of the sleep studies, and treatments. Payment plain’s available for those who are currently non-insured.