Sleep Disorders Centre Program

OSR Medical Sleep Disorders Diagnostic Centre in Montreal Receives Program Accreditation

Sleep Disorders Centre in Laval receives Program Accreditation (up to 2013)

A polysomnography (PSG) is the standard test used in the study of sleep disorders (American Association of Sleep Medicine)
. The PSG can confirm the diagnosis of a sleep disorder, detect related pathologies and determine the right treatment or therapy.

The PSG is ordered by either a physician who is a member of the Collège des médecins du Québec or a dentist who is member of the Ordre des dentistes du Québec.

Medical Directors of the Sleep Disorders Centres:
Montreal: Marc A. Baltzan, M.D., FRCPC, DABSM (Diplomat of the American Board of Sleep Medicine)

Virtual Visit


Virtual visit of our OSR Medical
  • Reception

  • Room/Lab

  • Bathroom

Customer Services

Before giving you a quote, let us call your insurance company for you to see whether or not the test being recommended is covered. You can also count on the following:

  • No more than a 1-2 week wait for appointments
  • Sleep test reports interpreted by a sleep specialist and sent to your attending physician within two weeks of the test
  • Notice when your PSG or other test reports have been sent to your attending physician
  • After the test, the opportunity to fill out a customer satisfaction questionnaire to help us improve our services


Contact us for more information on PSGs (with MSLTs or MWTs) or any other test ordered by your physician (pulse oximetries, continuous blood pressure recordings, ECGs, respiratory tests, etc.)


514 766-6345

Référence :

American Academy of Sleep Medicine. International Classification of Sleep Disorders: Diagnostic and Coding Manual. 2nd ed. Rochester, 2005.