Dr Marie-Sarah Gagne-Brosseau completed her training in neurology at Sherbrooke University in 2014. During this time, she treated sleep disorders such as sleep apnea, narcolepsy, restless legs syndrome and sleep disorders associated with neurological diseases. She also trained in interpreting sleep studies and is certified in electroencephalography from the Canadian Society of Clinical Neurophysiologists. She completed a one-year fellowship in multiple sclerosis and other demyelinating diseases at University of Washington, Seattle, USA. Dr Gagne Brosseau now works as a neurologist at Charles LeMoyne Hospital and in private practice. She is assistant professor of the neurology department at Sherbrooke University and regularly works with students and residents.