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Sleep Diagnostic Center

Rest easy.

Methodist Sleep Diagnostic Center is here to help.

  Download a Sleep Apnea Self-Assessment Test

The American Academy of Sleep Medicine (AASM) accredited Methodist Sleep Diagnostic Center of Oak Ridge in spring 2001. AASM is a professional membership organization dedicated to quality care for patients with sleep disorders, advancement of sleep research, and public and professional education.

About Our Providers

Medical Director

Cherridan Rambally, M.D. earned her medical degree from the Drexel University College of Medicine in Philadelphia. She completed a neurology residency at the University of Vermont/Fletcher Allen Health Care in Burlington, Vermont. While at UVM/Fletcher Allen Health Care she completed a sleep medicine fellowship. Dr. Rambally is double-boarded in both neurology and sleep medicine. She is a member of the American Academy of Neurology and the American Academy of Sleep Medicine. Dr. Rambally has a special interest in sleep disorders, specific to women and children (ages 12 and older). She is proficient in Spanish.

Dr. Rambally is committed to improving her community and empowering those she serves. This dedication is evident through her support and participation in community programs. Dr. Rambally served as the program director for UCLA's Inner City Tutorial Project, as well as acted as the intake coordinator at the Salvation Army Drug Rehabilitation Clinic. She has also supported other community programs such as the Charles R. Drew University of Medicine & Science Summer Program, where she prepared inner-city youths for the Scholastic Aptitude Test (SAT). Dr. Rambally also provided volunteer services for a Homeless Outreach Project.

Dr. Rambally has been recognized for her participation and support of community programs. She has received awards from Operation Hope for "Outstanding Accomplishment" and Charles R. Drew University of Medicine & Science for "Exemplary Leadership." Dr. Rambally also received the "Award for A Conscious Effort in the Community" from UCLA for commitment to Third World Communities of Los Angeles.

Dr. Rambally is accepting new patients!  For more information or to make an appointment, please call 865-835-3810.

Our entire team of sleep specialists are ready to help you sleep - and feel - better.

Call (865) 835-3810 for more information.

















It's difficult to live life to the fullest when you have trouble sleeping. Most people occasionally experience changes in their normal sleep patterns. However, these are usually temporary.  But when you are often exhausted, have trouble falling asleep, wake up a lot during the night, fall asleep during the day, or don't feel refreshed by sleep, you may need to be evaluated.

The nationally accredited Methodist Sleep Diagnostic Center is committed to offering exceptional care for people with sleep disorders.

We have…
 - A spacious and comfortable 10-suite sleep center, which means you can relax as you receive the latest sleep study evaluations

- Expanded sleep study and clinical data, including state-of-the-art technology that provides specialized diagnostic and therapeutic capabilities for specific disease processes

- Specialty in women and pediatric (ages 12 and older) sleep disorders

- An individualized C-PAP clinic for new and existing patients

- Board-certified and fellowship-trained sleep medicine physician

- Nationally registered sleep medicine technologists
Accreditation, board certification and national registration are important. They mean that the sleep center meets high national standards of care and that the doctors and technologists have received specialized training, been evaluated by their peers, and have shown outstanding levels of clinical knowledge and expertise.

At the Methodist Sleep Diagnostic Center, we care about your health and well-being.

  • We conduct sleep studies in a homey, comfortable atmosphere.
  • We offer several treatment options based on your needs.
  • We provide information on sleep apnea, insomnia, narcolepsy and other disorders to help you better understand your problem.

Comfortable room at the Sleep Diagnostic Center

Frequently Asked Questions

What happens during a sleep study?

A sleep technician attaches wires to your scalp and other areas to monitor your brain wave activity, heart rate, eye movement and oxygen level while you sleep. During the test, the technician keeps a close watch to make sure you are comfortable.

What are the treatment options?
Treatment options vary, depending on the type of sleep disorder. They include behavior modification, dental devices, and a nasal mask called a C-PAP (for Continuous Positive Airway Pressure). The C-PAP keeps your airway open while you sleep. Surgery presents another treatment option.

How do I schedule a sleep study?
We see patients referred by their doctors. For more information, please call Methodist Sleep Diagnostic Center, (865) 835-3810.   We are conveniently located on the 3rd floor of the Cheyenne Ambulatory Center on the Methodist Medical Center campus.

Cheyenne Ambulatory Center - home of the Methodist Diagnostic Sleep Center

In the News
Read more about pediatric sleep disorders in a one-on-one interview with Dr. Cherridan Rambally in the Spring 2010 issue of Well Aware Health Magazine.  Click here.