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Respiratory Therapist

Dr. Matthew S. O’Brien, PhD, RPSGT


Dr. Matthew S. O'Brien is a leading sleep specialist with over a decade of experience in sleep medicine, particularly in the management of sleep apnea through CPAP therapy. With a PhD in Sleep Physiology from Stanford University, Dr. O'Brien has dedicated his career to advancing the understanding and treatment of sleep disorders. He is a registered Polysomnographic Technologist (RPSGT) and a respected member of the American Academy of Sleep Medicine (AASM).

At Orderyoursupply.com, Dr. O'Brien combines his deep expertise with a passion for educating patients and healthcare professionals alike. He is committed to demystifying CPAP technology and therapy, providing insightful content that enhances compliance and improves patient outcomes. His work is driven by a belief in the transformative power of restful sleep and the potential of personalized treatment plans.

In addition to his contributions to OYS, Forbes, and Healthline, Dr. O'Brien’s research and articles have been published in several leading medical journals. He frequently speaks at national and international conferences, sharing his knowledge and discoveries in sleep technology. When he’s not researching or writing, Dr. O'Brien enjoys hiking with his family and practicing mindfulness meditation, which he credits with helping maintain his own sleep health.



  • Studied BS, MS, PhD in Respiratory Care
  • Registered PSGT, & Member of AASM


Learn more about our editorial team.