Treatment Team Members 


Dr. Ryan Wetzler

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Dr. Ryan Wetzler is a licensed psychologist who has been treating sleep disorders, with particular expertise in insomnia since 2002. He developed Louisville’s only comprehensive cognitive-behavioral treatment program for insomnia (CBT-I) in 2004. The outcomes of his treatment program were highlighted at the annual meeting of the Associated Professional Sleep Societies meeting in 2009 

CBT-I is now recognized by the American College of Physicians, the National Institutes of Health, and the American Academy of Sleep Medicine as the first-line treatment approach for chronic insomnia. He is board certified in the practice of Behavioral Sleep Medicine (2005) and Clinical Health Psychology (2011). He became a Diplomate of the Board of Behavioral Sleep Medicine in 2018. Dr. Wetzler remains active in several professional organizations with past roles including President-Kentucky Sleep Society, President-Society of Behavioral Sleep Medicine, Chair-Insomnia section of the American Academy of Sleep Medicine, and Chair-American Academy of Sleep Medicine-Behavioral Sleep Medicine Course. He is currently a board member of the Kentucky Sleep Society. After working at a sleep disorders center for 14-years, he founded Sleep Health Center in 2018 to increase the availability of scientifically proven sleep and health psychology services. He has particular interest in the management of insomnia, circadian rhythm sleep disorders, parasomnias, headache, fibromyalgia, and cardiac conditions.


Catherine Thompson, M.A. 


Catherine Thompson, M.A. is a clinical psychology practicum student in a doctoral program at Spalding University. She is also a researcher in both the Health and Child/Adolescent/Family Research Interest groups at Spalding University with Dr. Nate Mitchell and Dr. Dede Wohlfarth. Catherine has conducted research projects on the effectiveness of mindfulness and other relaxation response strategies within mental and physical health interventions. She has also published educational pamphlets within the “Heads Up” Kentucky outreach program, including brochures informing on Pediatric Sleep and Mindful Parenting. Catherine is interested in using evidence-based solutions to treat behavioral sleep difficulties, such as insomnia. As a certified Strala Yoga instructor, she is also interested in the effects of integrating relaxation training into cognitive behavioral models of intervention. Catherine is pleased to be working at Sleep Health Center under the supervision of Dr. Wetzler. Effective behavioral sleep interventions and the intersection of sleep difficulties with co-occurring psychological conditions are of particular interest to Catherine, specifically in working with a pediatric and adolescent population.  


Jackie Ma

Jackie Ma is a clinical psychology doctoral student at the University of Louisville. She is also a graduate research assistant in the Mindfulness and Biobehavioral Health Research Lab at the University of Louisville working under the mentorship of Dr. Paul Salmon. Jackie has clinical and research interests in the application of self-compassion and mindfulness as ways of coping with mental- and physical health conditions. As part of obtaining her Ph.D., Jackie has worked with clients with anxiety-, mood-, and eating disorders at the Psychological Services Center at the University of Louisville. She is happy to be working at the Sleep Health Center under the supervision of Dr. Wetzler, and has a particular interest in working with sleep conditions with co-occurring psychological conditions. 


Tori Dickerson M.A., M.B.A

Tori Dickerson is a clinical psychology doctoral practicum student at Spalding University. Tori is also a researcher with Spalding’s Psychometric and Health Psychology research interest groups. She has conducted and presented research on stress management, trauma, resilience, effective coping, and chronic pain. Her clinical interests include using evidence-based behavioral treatments for chronic and functional health difficulties, such as insomnia.

Tori is a certified Hatha Yoga and Yoga Sculpt instructor, where she incorporates mindfulness, relaxation, and meditation techniques into daily practices. She also integrates those techniques into cognitive-behavioral interventions to reduce and manage stress. Tori is excited to work under the supervision of Dr. Wetzler, where she hopes to learn more about sleep difficulties with co-occurring mental and physical health conditions. Outside of the office, Tori enjoys exploring Louisville’s food scene.