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Cooper Clinic Expands Practice with Sleep Medicine

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Cooper Clinic Expands Practice with Sleep Medicine
Sleep Medicine Specialist Sonya Merrill, MD, PhD, FACP, Joins Preventive Medicine Clinic

DALLAS (July 26, 2022) – Cooper Clinic announces the addition of Sleep Medicine Physician Sonya Merrill, MD, PhD, FACP, to its preventive medicine services. Dr. Merrill joins Cooper from her solo private practice Dallas Sleep Medicine Specialists, PLLC. She leads the new Sleep Medicine practice at Cooper Clinic, providing comprehensive evaluation and management of sleep disorders, including overseeing and interpreting sleep studies and home sleep tests. Visit or call 972.560.2667 for additional information.

“It is a pleasure to welcome Dr. Sonya Merrill to the Cooper Clinic team,” said Camron Nelson, MD, President and Chief Executive Officer of Cooper Clinic. “Dr. Merrill’s expertise in the diagnosis and management of sleep disorders allows us to expand our preventive medical offerings as sleep plays such an important role, yet is one of the most underrated aspects in our overall health.”

Sleep medicine services at Cooper Clinic are comprised of laboratory-based studies including overnight diagnostic, overnight CPAP titration and daytime sleep studies. In-home testing options are also available.

“Bringing sleep medicine to Cooper Clinic allows me to continue providing quality, unrushed care for patients with sleep disorders,” said Sonya Merrill, MD PhD, FACP. “It’s an honor to join the Cooper team to build a sleep center of excellence with a state-of-the-art sleep lab as my vision of patient care aligns with Cooper’s preventive focus. We know lack of sleep contributes to obesity, weakened immunity, a decrease in cognition and a number of other risk factors impacting people’s health.” 

Dr. Merrill received a Bachelor of Arts in Philosophy from Wellesley College. She earned her Master of Arts in Medical Ethics and Law and a Doctorate in Philosophy from the University of London. She received her medical degree from Harvard Medical School. Dr. Merrill completed an internal medicine residency at Texas Health Presbyterian Hospital of Dallas, subsequently completing a sleep medicine fellowship at the University of Texas Southwestern Medical Center in Dallas.

Merrill is board certified by the American Board of Internal Medicine in Internal Medicine and Sleep Medicine. She is a fellow of the American College of Physicians and a member of the American Academy of Sleep Medicine, Dallas County Medical Society, Massachusetts Medical Society and Texas Medical Association. During her time of private practice, Dr. Merrill was the medical director of sleep labs at Medical City Dallas and Texas Health Dallas. She served for 12 years as the associate program director of the internal medicine residency at Texas Health Dallas. Since receiving her medical degree, Dr. Merrill has served as a community leader with various volunteer opportunities, including a board member for the Dallas Bach Society, ethics committee member for Texas Health Dallas, medical director for Joy India Medical Mission Teams and physician for Dallas Life Foundation. She is passionate about exploring new places and cultures and has traveled to more than 70 countries.

Cooper Clinic provides patients with an individualized, in-depth picture of their health with same-day test results and an action plan for improvement. Our board-certified physicians also offer a broad range of medical services, including sleep medicine, optometry, breast health, cardiology, preventive and cosmetic dermatology, direct medicine, gastroenterology and imaging, and our registered dietitians offer a variety of nutrition services. Cooper Clinic exists to help patients reach and sustain the best health possible through its world-renowned comprehensive physical exams. Visit to learn more.

About Cooper Aerobics
Cooper Aerobics in Dallas serves as the headquarters for six health and wellness companies and a research and education nonprofit, The Cooper Institute®, founded in 1970 by Kenneth H. Cooper, MD, MPH. Cooper Aerobics is the health and wellness resource that bases its recommendations on its world-leading body of data and expertise. Through the array of services Cooper offers, millions have been inspired to make good health a habit, helping improve their quality and quantity of life. For more information, call 866.906.2667 (COOP) or visit Follow the Cooper Aerobics Facebook page or Instagram account for updates.