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Can you watch tv during a sleep studyWhat Is a Sleep Study (Polysomnogram)?
A sleep study, called a polysomnogram, is a test used to help diagnose sleep apnea, restless legs syndrome (RLS), and other sleep disorders. People usually spend the night at a hospital sleep laboratory or an outpatient sleep clinic.
Electrodes attached to their body monitor their brain waves, breathing, and movement while they sleep.
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This article explains the purpose of a sleep study and how to prepare for one. It offers a step-by-step look at what happens during the study and explains how results are interpreted, as well as what may come next.
Purpose of a Sleep Study
Your healthcare provider may want you to undergo a sleep study if you have trouble falling asleep, wake up frequently, snore, or have other symptoms of a sleep disorder.
A polysomnogram might also be advisable based on a screening test for narcolepsy (excessive daytime sleepiness).
The test is known as the Epworth Sleepiness Scale.
What Can a Sleep Study Diagnose?
Sleep studies are designed to diagnose sleep disorders, including:
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