• Sleep Services of America An affiliate of Johns Hopkins, HSI Medical Services Corporation/Sleep Services of America is a provider of sleep diagnosis and treatment services in the Mid-Atlantic region.

• Sleep Telemedicine Services Details about the center which provides evaluations, consultations, testing and treatment of sleep disorders. Located in Las Vegas, Nevada.

• Sleepcare Diagnostics Home Page Sleep Disorders, Cincinnati, Ohio.

• SleepQuest: Treating Sleep Disorders - Obstructive Sleep Apnea SleepQuest specializes in treating obstructive sleep apnea and other sleep disorders by providing innovative diagnostic and treatment services in the convenience of the patient's home.

• Sleepwell Diagnostic center, in a hotel setting. Located in Utah.

• SSRD Anti-Snoring Treatment Center Treatment with the Snore/Stress Relieving Device (SSRD). An effective, non-invasive oral device that attacks snoring and obstructive sleep apnea. Dr. Farhad Hakimi, New York.

• Summit Sleep Disorder Center Winston-Salem Summit Sleep Disorder Center, North Carolina opened about 15 years ago.

• Synapse Media An Oregon-based company dedicated to providing training and education in sleep medicine and technology, with emphasis on laboratory methodology and clinical polysomnography.

• The London Laser Clinic Corrective surgery for snoring and sleep apnoea.

• The London Sleep Centre Diagnosis and treatment of sleep disorders including insomnia, and sleep apnoea. Offers scientific diagnostic assessments.

• The Sleep Disorder Clinic Information about the facility, the problems, causes, laser treatment, research and contact details.

• The Technion-Sleep Laboratory and Sleep Disorders Center This research laboratory located in Israel started before there was a field of sleep medicine.

• The Vancouver Sleep and Breathing Centre The Vancouver Sleep and Breathing Centre is a clinic which specializes in the diagnosis and treatment of Snoring, Sleep Apnea, Asthma, and other common Disorders of Sleep and Breathing.