Rafael Pelayo, MD is the author of How to Sleep and a clinical professor at Stanford University. Since 1993 he has worked at the Stanford Sleep Disorders Clinic. He teaches the popular Sleep and Dreams undergraduate course and co-authored the textbook with Dr. William Dement. He is the president of the California Sleep Society. He is the chair of the American Academy of Sleep Medicine’s Political Action Committee. He servers on the boards of the National Sleep Foundation and Start School Later. He has lectured throughout the country and internationally. He helped lead the effort to delay school start times in California. His undergraduate degree is from the University of Puerto Rico. His initial exposure to sleep medicine was as a medical student in the Bronx and it became the focus of his career. He chose child neurology as a pathway into sleep medicine.