Services we provide

We understand that poor quality sleep affects many of us, and it deserves attention from a medical professional that truly understands all aspects of sleep and insomnia. Our services include an evaluation from a sleep physician, prescription and non-prescription based modalities of treatment, arrangement of overnight sleep studies and referral to associated professionals, all as indicated. Our fields of expertise include Sleep Medicine, Neurology and EMG.

  • Sleep disorders are complex – a pill is not a complete solution.

    Dr. Appleton
  • Good sleep should not only be a part of life, it should be a way of life.

    Life Lessons
  • We offer advanced treatment options that address the whole person, including lifestyle and habits, and not just the symptoms.

    Appleton Clinic

Our Team

We believe the first step toward effective treatment is through an informed patient. We pride ourselves in keeping our patients abreast of the most up-to-date information, news and treatment options.


Dr. Darryl Appleton

Medical Director - Sleep Medicine

Dr. Appleton is an internationally recognized expert for his research, evaluation and treatment of sleep disorders. He completed his medical internship and residency in Psychiatry at the University of Miami, and soon after received a fellowship to study sleep disorders at the University of Toronto. Much of his research was focused on the correlation between chronic pain and sleep disorders as well as the affects of anti-depressants on sleep quality. In …

More about Dr. Appleton »

Dr. Marc Sherkin

M.D., FRCP(C) Pulmonology And Sleep Medicine

Dr. Sherkin’s specialties include:

Internal Medicine,
RCPSC Specialist, / Respirology
RCPSC Specialist,

He holds hospital privileges at: Espanola General Hospital (Espanola) / Humber River Regional Hospital,Humber Memorial-Church Street Site (Toronto) / Humber River Regional Hospital,York-Finch General Finch Avenue Site (Toronto)

More about Dr. Sherkin »

Dr. Adit Margaliot

M.D., FRCP(C) - Neurology; Neuromuscular Disorders and Sleep Medicine

Dr. Margaliot has been in community practice as a neurologist since 2004. She is a FelIow of the Royal College of Physicians and Surgeons with certification in the specialty of Adult Neurology. Following a residency in Neurology at the University of Western Ontario, she completed a one-year clinical fellowship in Neuromuscular Disorders and Electromyography, and holds certification in competency in Electromyography from the Canadian Society of Clinical Neurophysiologists.

She was a …

More about Dr. Margaliot »

Dr. Murray Berall

M.D., FRCP(C) - Nephrology And Sleep Medicine

Dr. Berall is a Nephrologist at Humber River Regional Hospital and also runs the In-Center Hemodialysis unit at Humber River Regional Hospital. He has a MD from Dalhousie University and did his BSc in Genetics from McGill University

More about Dr. Berall »

Susie Febbraio

Clinic Director

Susie has worked with Dr. Appleton for many years. As the current Clinic Director, Susie handles most operational aspects of the clinic. She is wonderfully sweet and can speak English and Italian. If you have any issues in scheduling or your appointment, call our office and Susie will be happy to help you. You can also send her an email at


More about Susie »

Our Clinic

Rest-assured, you're in good hands. Our team strongly believes in providing comprehensive care based on a close collaboration between the specialist and patient. We offer state-of-the-art technology and cutting-edge treatment along with alternative and complementary medicine all delivered in a relaxed, comfortable atmosphere. Our team will always take the time to answer any questions you may have. It is our philosophy that every client should be seen for as long as needed to correctly diagnose and treat all sleep-related problems.