Dr. Helen Burgess is Professor of Psychiatry and Co-Director of the Sleep and Circadian Research Laboratory. Dr. Burgess received her Ph.D. from the University of Melbourne, Australia, with her Ph.D. thesis focusing on sleep and circadian rhythm influences on cardiac autonomic nervous system activity in humans. She then completed a postdoctoral fellowship at the University of South Australia, followed by a second postdoctoral fellowship at Rush University Medical Center in Chicago. There, her research focused on the biological effects of supplemental melatonin and light treatment, and the effects of sleep disturbance on the circadian clock’s response to light in humans.