A pediatrician with forty years of experience, Marc Weissbluth, M.D., is also a leading researcher on sleep and children. He founded the original Sleep Disorders Center at Chicago’s Children’s Memorial Hospital (now called the Ann and Robert H. Lurie Children’s Hospital of Chicago) and is a professor of clinical pediatrics at Northwestern University School of Medicine. In addition to his own research, he has written about sleep problems in manuals of pediatrics, lectured extensively to parent groups, is a regular at the 92nd Street Y, and has appeared on The Oprah Winfrey Show. Dr. Weissbluth and his wife of more than fifty years, Linda, have four sons and eight grandchildren. They live in Chicago.