Dr Wai Sze Chan is a researcher and a licensed clinical psychologist. She is currently an assistant professor at the Department of Psychology at the University of Hong Kong. Dr. Chan received her PhD in Clinical Psychological Science from the Department of Psychological and Brain Sciences at Indiana University and completed a postdoctoral fellowship specializing in behavioural sleep medicine at the University of Missouri. Prior to joining HKU, she was an Assistant Professor in the Department of Psychiatry at the Geisel School of Medicine at Dartmouth College and a licensed practicing clinical psychologist in the state of New Hampshire, USA. Her research programme focuses on developing and evaluating sleep interventions for insomnia in patients with comorbid medical and psychiatric illnesses. She is broadly interested in the effects of poor sleep on self-regulation and the subsequent impact on health behaviour and emotional regulation. Her work has been published in the Sleep Medicine Review, Journal of Clinical Sleep Medicine, Sleep Medicine, Journal of Sleep Research, International Journal of Obesity, and International Journal of Eating Disorders.