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San Angelo Sleep Center

Resolving Sleep Issues & Helping You Get the Rest You Need

The Shannon Sleep Center offers diagnostic sleep studies for adults and pediatric patients. The center is the first accredited sleep center within a 90-mile radius of San Angelo and is a member of the American Association of Sleep Medicine. The center offers several diagnostic sleep studies for adults and children over the age of six, has four registered technologists, and is supervised Archana Rao, MD. Dr. Rao is a neurologist at Shannon who is also board-certified in sleep medicine.
If you are concerned that you may have a sleep disorder, consider questions such as:

  • Has your partner noticed that you gasp or stop breathing during sleep?
  • Do you often wake up feeling unrefreshed?
  • Do you sometimes feel excessively sleepy during the day?
  • Have your energy and motivation levels decreased?
  • Do you find it difficult to concentrate?
  • Do you have short-term memory loss?
  • Do you have feelings of depression?
  • Do you wake up with chest pains or palpitations?
  • Do you have night sweats?

The Shannon Sleep Center tries to keep patients on their regular schedules. The goal is to collect six hours of information. There are four rooms modeled after a typical bedroom within the home that are equipped with TVs with cable and very stylish and comfortable beds.


There is a very effective, widely accepted treatment for sleep apnea called CPAP. A bedside device gently delivers pressurized air through a small mask or nasal pillow system. This pressure acts like an air splint to keep your upper airway open and help prevent apneas.
This treatment doesn’t involve drugs or surgery and helps hundreds of thousands of people all over the world to enjoy healthier sleep and healthier life.

Home Sleep Testing

Home sleep studies are used for patients whose insurance carriers require the study and for patients with physical limitations. After receiving instructions from a technician, the patient takes the testing device home. The device uses a respiratory effort belt sensor that fits comfortably around the chest. It monitors oxygen levels, heart rate, and whether the patient is awake or asleep and collects data during the study. After the study, the patient returns the device to the Center so the collected data can be retrieved from the device and interpreted by a technician.

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