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Sleep Education


American Academy of Sleep Medicine 
  

 
 

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In-lab sleep study - Overview

In-Lab Sleep StudyAn in-lab sleep study provides a board-certified sleep medicine physician with the most complete evaluation of your sleep. You will be required to stay overnight at a sleep center, hospital or a hotel room.

An in-lab sleep study, also known as a polysomnogram, records your brain waves, heartbeats and breathing as you sleep. It also charts your eye movements, limb movements and oxygen in your blood. This data will help your doctor make a diagnosis and develop a treatment plan.

A board-certified sleep medicine physician may recommend an in-lab sleep study to:

  • Test for sleep-related breathing disorders including sleep apnea.
  • Evaluate behaviors during sleep due to parasomnias
  • Diagnose narcolepsy or hypersomnia along with the MSLT
  • Titrate or calibrate the levels of continuous positive airway pressure in patients who receive CPAP therapy for sleep related breathing disorders.
  • Determine why treatment for a sleep disorder is not working.

For some patients suspected of obstructive sleep apnea, the sleep physician may recommend a home sleep test instead of an in-lab study. A home sleep test uses different equipment that you can set up yourself.

An in-lab sleep study is the way to ensure that you have the proper diagnosis for a sleep disorder. Speak with your health care provider if you think you might need a sleep study.