Wallace Mendelson MD is Professor of Psychiatry and Clinical Pharmacology (ret) at the University of Chicago. He is a Distinguished Fellow of the American Psychiatric Association, and a member of the American Academy of Neuropsychopharmacology. He has been director of the Section on Sleep Studies at the National Institute of Mental Health, the Sleep Disorders Center at the Cleveland Clinic Foundation, and the Sleep Research Laboratory at the University of Chicago. He is the author of fiveour books and numerous professional papers. Among his honors have been the Academic Achievement Award from the American Sleep Disorders Association in 1999 and a special award for excellence in sleep and psychiatry from the National Sleep Foundation in 2010.