Dr. Marie-Hélène Pennestri is an Associate Professor in the Department of Educational and Counselling Psychology, McGill University. She is also a Regular Researcher at the Integrated University Health and Social Services Centres (CIUSSS) du Nord-de-l’Île-de-Montréal. Her research program aims to better understand the development of the sleep-wake cycle in infants, children, and adolescents, from a developmental and familial perspective. She also investigates associations between sleep and mental health in vulnerable populations. Her multidisciplinary program is funded by all three tri-councils (SSHRC, CIHR and NSERC) and her projects integrate both physiological and psychological measures. In addition, Dr. Pennestri is a clinical psychologist working with children, adolescents, and their families at the Pediatric Sleep Clinic of Hôpital en santé mentale Rivière-des-Prairies. She regularly shares her research results with parents and professionals. She often draws from her own experiences and questions as a clinician and mother to develop her future research projects.