Dr. Simmons is Triple Board-Certified by the American Board of Clinical Neurophysiology, American Board of Psychiatry and Neurology, & American Board of Sleep Medicine. He is the Founding-Director of Comprehensive Sleep Medicine Associates, PA (CSMA), with locations in The Woodlands, the Houston Medical Center, and Sugar Land, Texas. Dr. Simmons founded and directed The Sadler Clinic Sleep Disorders Center(s) from 1999-2012. He is also the Founding-Director of the Sleep Education Consortium, Inc., a 501 (c) 3, non-profit organization that focuses on enhancing the education of doctors and the community on sleep disorders.
Headquartered in Darien, IL, the American Academy of Sleep Medicine (AASM) is the only professional society dedicated exclusively to the medical subspecialty of sleep medicine. As the leading voice in the sleep field, the AASM sets standards and promotes excellence in health care, education, and research. Established in 1975 as the Association of Sleep Disorders Centers, the AASM has a combined membership of 11,000 accredited member sleep centers and individual members, including physicians, scientists, and other health care professionals.
The National Sleep Foundation is dedicated to improving health and well-being through sleep education and advocacy. It is well-known for its annual Sleep in America® poll. The Foundation is a charitable, educational, and scientific not-for-profit organization located in Washington, DC. Its membership includes researchers and clinicians focused on sleep medicine, health professionals, patients, families affected by drowsy driving, and more than 900 healthcare facilities.