Philip Gehrman is an associate professor and clinical psychologist in the Department of Psychiatry at the Perelman School of Medicine (Penn Sleep Center). After his B.S. degree from Penn (BBB) he completed his Ph.D. in clinical psychology at the University of California, San Diego. Dr. Gehrman is also a senior clinical research fellow at the faculty of Oxford University’s Sleep & Circadian Neuroscience Institute. His research concerns the mechanisms of insomnia, and his clinical work is focused on sleep disorders, including those of university students under stress, and adults with PTSD.