Brian D. Robertson, MD, FAAP, is board certified in pediatrics, allergy/immunology, and sleep medicine. He was previously the chief of sleep medicine at the Walter Reed National Military Medical Center (Bethesda, MD), where he now works as a volunteer. He practices sleep medicine at Kaiser Permanente Mid-Atlantic. He is the Chief Medical Officer for NightWare, Inc., a medical device company. Dr. Robertson is an associate professor of pediatrics and medicine at the Uniformed Services University of the Health Sciences. He is active in research in sleep medicine, focusing on the treatment of nightmare disorder.