Dr. Wallace Mendelson is currently in the clinical practice of psychiatry. He was formerly Professor of Psychiatry and Clinical Pharmacology at the University of Chicago. At that time, he was also Director of the Sleep Research Laboratory there. Dr. Mendelson earned an MD degree from Washington University School of Medicine in St. Louis and completed a residency in psychiatry at the same institution. He has held professorships at Ohio State University and the State University of New York at Stony Brook, was Chief of the Section on Sleep Studies at the National Institute of Mental Health in Bethesda, MD, and Director of the Sleep Disorders Center at the Cleveland Clinic. Among his honors is the William C. Dement Academic Achievement Award from the American Sleep Disorders Association as well as the Special Award in Sleep and Psychiatry from the National Sleep Foundation, and he is a distinguished fellow of the American Psychiatric Association. In 1997, he was President of the Sleep Research Society. Dr. Mendelson has authored or co-authored three books, and co-edited another, and published over 190 peer-reviewed papers on various aspects of sleep research. He is currently writing a book entitled ‘The Science of Sleep’, to be published in 2017.