sleep disorder research trials

Research Trials

Do you have problems sleeping? See if you qualify for one of our clinical trials.

Locations in Canada

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We're opening new MedSleep clinic locations across the country.

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Keep up with the latest news and developments in sleep medicine.

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MedSleep Overview

Sleep Apnea Clinical Trials in Canada

About Us

Our physicians are highly skilled and widely experienced in the field of sleep disorders medicine. Our entire team of professional staff is committed to providing excellent patient care. Your health comes first.

Management Team

Adam Blackman MD, FRCPC, D.ABSM, D.ABPN
President and Chief Medical Director

Adam BlackmanDr. Blackman graduated from the Faculty of Medicine at the University of Toronto and subsequently completed specialty training in psychiatry and a sleep medicine fellowship. Prior to founding MedSleep he was the medical director of the Toronto Western Hospital, Sleep and Alertness Clinic. He was the Vice-President of Medical Imaging and Business Development at Medisys Health Group from 2006-2008 where he was responsible for overseeing the Ontario Medical Imaging Division and developing innovative health care partnerships. Dr. Blackman is an assistant professor of the University of Toronto and teaches both residents and sleep medicine fellows. He has also been actively involved in establishing sleep medicine standards with both the Canadian Sleep Society and the College of Physicians and Surgeons of Ontario.

Kostas Tsambourlianos MBA, PMP
Chief Operating Officer

Kostas TsambourlianosKostas Tsambourlianos joined the MedSleep family in October 2010. Having completed his MBA from the Kellogg School of Management, he is also a registered Project Management Professional (PMP). His rich background in a wide variety of industries such as Shoppers Drug Mart, IBM and Lafarge brings a unique perspective to the business. In addition, he is a professor in the MBA program at the Schulich School of Business, specializing in Strategic Field Studies and International Business. Kostas is responsible for Business Development, Operations, Marketing, Human Resources and Finance.

James MacFarlane Ph.D, D.ABSM
Director of Education, MedSleep

James MacfarlaneJamie MacFarlane is an Assistant Professor of Pediatrics and Psychiatry, University of Toronto. He was granted his doctorate from McMaster University Medical Centre for his work in neuropharmacology and began his sleep career at the Toronto Western Hospital in 1989. He also is a Research Associate at the Hospital for Sick Children in Toronto and is a consultant at the Niagara Sleep and Snoring Centre. He currently serves on the Board of the Canadian Sleep Society. Dr. MacFarlane is actively involved in developing innovative sleep educational programs for sleep technologists, medical students and physicians. He also provides public lectures to enhance awareness of issues related to sleep and sleep disorders.

Danielle Holler, B.Sc.
Senior Director Operations

Danielle Holler

 Danielle joined Medsleep in 2013, bringing with her over 20  years of experience working within  healthcare, including several years as Senior Regional Director  at Medvue Medical Imaging  formerly known as Medisys Health Group. She is currently involved in  leading national strategic  projects and works with various members of the Medsleep team.

Karen Vegnaduzzo Honours BA, CCRP.

Director of Operations, Ontario

Karen VegnaduzzoA member of the MedSleep family since its founding, she brings over 12 years of operational and clinical research experience in healthcare. Her focus on helping to build an efficient and effective organization has played a key role in MedSleep’s evolution from a single clinic to a national operation. Karen is responsible for providing overall operational management to MedSleep’s Ontario clinics. In her role, Karen leads, manages and executes all operational and clinical research initiatives in Ontario, in addition to managing various strategic projects.


Actual Comments From Our Patients

Very courteous and accommodating staff!  ...Calgary, March 2014

Staff always friendly, courteous & very helpful  ...Nanaimo, March 2014

I was surprised by the speed I got the initial appointment  ...Thornhill, March 2014

Dora + Dr. Klein are real super human beings  ...Thornhill, March 2014

Docs are comprehensive and informative - well done!  ...Nanaimo, March 2014

Dr. Hoffman very easy to talk to professional but down to earth.  ...Nanaimo, March 2014

Amazing , however, sincere to me as a patient  ...Niagara Falls, March 2014

Never had a doctor make me feel so comfortable  ...Halifax, March 2014

Answered every question + concern.  ...Eglinton, March 2014

Very pleasant , thoroughly knew her stuff  ...Eglinton, March 2014

Mary has always been helpful and great  ...Queensway, March 2014

Very clean and most clinical.  ...Eglinton, March 2014

Positive cure for what has been a chronic problem is amazing, beyond my expectations!  ...Edmonton, March 2014

Super friendly and knowledgeable, would recommend to anyone  ...Moncton, March 2014

I have seen Dr. Khullar for a couple of years. He is understanding. communicates well, and I always feel that he has my best interest at heart. Thank you!  ...Edmonton, March 2014

I have been able to sleep much better since coming here. I will continue to apply the suggestions of Dr. Teman , as they seem to help.  ...Calgary, March 2014

Friendly service  Comfortable bed. Proper care  ...Eglinton, March 2014

Dr Marval has been very helpful and understanding during my appointments. His advice and instruction has proven to be very helpful.  ...Halifax, March 2014

Dora is the best admin assistant, professional, consistent, courteous, efficient, pleasant, capable.  Thank you.  ...Thornhill, March 2014

Our facilities

Medical Profile

Disorders We Manage

We manage the full spectrum of sleep disorders including:

  • Insomnia
  • Snoring
  • Obstructive Apnea
  • Periodic Limb Movement
  • Restless Legs Syndrome
  • Bruxism (Teeth Grinding)
  • Daytime Sleepiness, Fatigue
  • Sleep Walking
  • Night Terrors, Nightmares
  • Narcolepsy
  • Idiopathic Hypersomnia
  • Jet Lag
  • Shift Work Sleep Disorder
  • Circadian Rhythm Disorders

How we help

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