OSF St. Mary Medical Center

Galesburg, Illinois

Sleep Medicine

The sleep medicine specialists at OSF St. Mary Medical Center provide diagnostic testing for a full range of sleep disorders and issues including restless leg syndrome, sleep apnea, narcolepsy, limb movement disorders, sleep paralysis, and insomnia.

More than 40 million Americans suffer from chronic sleep disorders; insomnia alone affects more than 30 percent of Americans. If you are unsure about whether or not you should have a sleep test done, please take a few minutes to download our helpful sleep assessment. This is designed to help give you better clarity about your need for a diagnostic sleep study or treatment.

Epworth Sleepiness Scale (PDF - 660.4 KB)



  • Diagnostic sleep studies
  • Home sleep apnea testing
  • Multiple sleep latency testing
  • Treatment studies
  • Wakefulness testing

OSF St. Mary Sleep Lab

Sleep bed The sleep lab at OSF St. Mary Medical Center consists of two sleep testing bedrooms, a restroom and a technician work room. The spacious patient sleep testing rooms have been tastefully decorated by an interior designer to make patients feel as at home as possible.

This modern sleep lab is also equipped with modern computer technology to provide the patient with high quality testing in a comfortable environment and is staffed by highly trained, caring technicians. OSF St. Mary first opened the sleep lab in 1999 and has grown to conduct about 350 tests every year.

The sleep lab, located on the ground floor of the hospital is open for office visits on Tuesday, Wednesday, and Thursday from 9 a.m. to 8 p.m. For more information or to schedule an appointment, please call us at (309) 344-3161 x4445.


Appointment Information

Most diagnostic sleep testing is performed overnight between 8 p.m. and 6 a.m. every night except Saturday.

Patients who require caregiver assistance will need to make arrangements for their caregiver to accompany them to the sleep lab for the duration of testing.

What to Bring

Patients admitted for testing should bring comfortable sleepwear such as pajamas or shorts and tee shirt.

Patients should also feel free to bring any items that aid in their comfort during the sleep study such as special pillows, a favorite blanket, or a book to read while waiting for drowsiness or sleep.