Navigate Up
Sign In

Sleep Disorder (Psychology)

The Faculty and Staff of the Sleep Disorders Service and Research Center has established a national reputation for clinical excellence, for innovation in sleep medicine research and for providing superior training to the next generation of sleep professionals. James J. Herdegen, MD, is Director of the Sleep Disorders Service and Research Center. The sleep disorders team is multidisciplinary, including board-certified experts in psychology, neurology and pulmonary medicine.

Our experts also consult with Rush specialists in internal medicine, pediatrics, otolaryngology, bariatric surgery, and psychiatry. This multidisciplinary approach ensures the optimal clinical care for our patients.

Clinical and laboratory facilities include eight hotel-like bedrooms with private bathrooms, a state-of-the-art computerized monitoring room, four patient evaluation and examination spaces, and reception and waiting areas.

Founded in 1978, the Sleep Disorders Center at Rush was the first such center in Illinois and the first in the region to receive accreditation from the American Academy of Sleep Medicine (then the American Sleep Disorders Association). Since that time, the doctors of the center have treated more than 20,000 patients.


Bantu Chhangani, MD, completed medical school at the University of Maiduguri College of Medical Sciences, her residency at Western Michigan University School of Medicine, and her fellowship at Henry Ford Hospital. She is board certified in Internal Medicine, Pediatrics, and Sleep Medicine and has clinical expertise in sleep disorders. Additionally, she is fluent in Hindi.

​James J. Herdegen, MD, is the Director of the Sleep Disorders Service and Research Center and an Associate Professor in the Department of Internal Medicine ant Rush Medical Center. He completed medical school at the University of Illinois at Urbana College of Medicine, his residency at the University of Iowa Hospitals and Clinics, and his fellowship at Rush University Medical Center. Herdegen is board certified in Critical Care Medicine, Internal Medicine, Pulmonary Disease, and Sleep Medicine and has clinical expertise in bronchoscopy, polysom​nography, respiratory failure, and sleep apnea. Additionally, he also speaks Spanish. 

Maureen Smith is an ​Advanced Practice Nurse specializing in Sleep Medicine.

James Wyatt, PhD, is the Director of Behavioral Sleep Medicine Training Program. He completed graduate school at the University of Arizona, his residency at Brown University, and his fellowship at Brigham and Women's Hospital. He is board certified in Behavioral Sleep Medicine and Clinical Sleep Disorders and has clinical expertise in circadian rhythm assessment and disorders, cognitive-behavioral therapy (CBT), continuous positive airway pressure titration, insomnia, light therapy, polysomnography, sleep apnea, and sleep disorders. Additionally, he is an Associate Professor of Behavioral Sciences at Rush Medical College.


Polysomnographic (Sleep) Studies

Treatment for Sleep Apnea

Cognitive Behavioral Therapy


Treatment for Insomnia

Accreditation and Recognition

Sleep Disorders and Research Center
710 S. Paulina
600 South JRB
Chicago, IL 60612
Phone: (312) 942-5440
Fax: (312) 942-8961
Driving Directions

Practice Resources

Forgot MyChart Username? Forgot Password?