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Polysomnography, known as a sleep study, is a test used to diagnose sleep disorders. Polysomnography records your brain waves, the oxygen level in your blood, and your heart rate and breathing during sleep. It also measures eye and leg movements. A sleep study may be done at a sleep disorders unit within a hospital or at a sleep center. The test is...
Polysomnography monitors your sleep stages and cycles. It can identify if or when your sleep patterns are disrupted and why. The typical process of falling asleep begins with a sleep stage called non-rapid eye movement (NREM) sleep. During this stage, brain waves slow down. This is recorded during a sleep study with a test called an electroencephal...
Polysomnography is a noninvasive, painless test. The most common side effect is skin irritation. This can be caused by the adhesive used to attach the test sensors to your skin.
Don't consume drinks or food containing alcohol or caffeine during the afternoon and evening before a sleep study. Alcohol and caffeine can change your sleep patterns. They may make symptoms of some sleep disorders worse. Also don't nap in the afternoon before a sleep study. You may be asked to bathe or shower before your sleep study. But don't put...
During polysomnography
If you're having a sleep study in a sleep center, you'll arrive in the evening and stay overnight. You can bring items you use for your bedtime routine. You also can sleep in your own nightclothes. If you're having a home sleep apnea test, follow your regular bedtime schedule. You'll need to place the sensors on your body and turn on the machine according to the instructions you've been given. Your health care provider may ask you to keep a sleep log. If you're at a sleep center, the room whe...
After polysomnography
After polysomnography in a sleep center, the sensors are removed and you may leave the sleep center. You're given an appointment for a follow-up visit with the heath care provider who recommended the test. You can return to your usual activities after polysomnography. In the morning following a home sleep apnea test, you can remove the sensors when you wake. You'll return the testing equipment to your provider's office or by mail. Some home sleep apnea tests are now disposable, so they can be...
The measurements recorded during a sleep study provide a great deal of information about your sleep patterns. For example: 1. Brain waves and eye movements during sleep can help your health care team assess your sleep stages. This helps identify disruptions in the stages. These disruptions may occur due to sleep disorders such as narcolepsy or REMs...
Explore Mayo Clinic studiesof tests and procedures to help prevent, detect, treat or manage conditions.
Aug 14, 2023 · Last Update: August 14, 2023. Go to: A polysomnogram (PSG), also known to patients as a sleep study, is an integral component of many sleep evaluations. Attended (Type I) PSGs are the gold standard for diagnosing sleep-related breathing disorders (SRBD), including obstructive sleep apnea (OSA).
- Brian Gerstenslager, Jennifer M. Slowik
- 2023/08/14
- Walter Reed National Military Medical Center
Jan 18, 2024 · A sleep study, also known as polysomnography, is a test used to diagnose sleep disorders. During a sleep study, various physiological activities are monitored to gather data on sleep patterns and brain activity.
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A sleep study is a number of tests done at the same time during sleep. The tests measure specific sleep characteristics and help to diagnose sleep disorders. A sleep study may also be called polysomnogram.
