Dr. Ivan Vargas is an Assistant Professor of Psychology at the University of Notre Dame. He completed a postdoctoral fellowship at the Behavioral Sleep Medicine Program and the Center for Sleep and Circadian Neurobiology at the University of Pennsylvania School of Medicine. He also received a PhD in Psychology (Clinical Science) from the University of Michigan. Dr. Vargas' research broadly examines: 1) the etiology and pathophysiology of insomnia, especially as it relates to stress and HPA-a ...