
Polysomnography (sleep study) - Mayo Clinic
Jan 1, 2025 · 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 …
Sleep Study: What It Is, What To Expect, Types & Results
Feb 10, 2023 · What is a sleep study? A sleep study, formally known as a polysomnogram (pronounced “poly-som-no-gram”), is a diagnostic test that tracks and records how multiple body …
Polysomnography: Purpose, Procedure & Risks - Healthline
Mar 17, 2020 · Polysomnography (PSG) is a study or test done while you’re fully asleep. A doctor will observe you as you sleep, record data about your sleep patterns, and may identify any sleep disorders.
What Is Polysomnography? - American Association of Sleep …
Nov 17, 2022 · Polysomnography is a test conducted to study sleep and to diagnose a variety of sleep disorders. Some people refer to polysomnography (PSG) as a sleep study. Sleep technologists …
Polysomnography - Wikipedia
Polysomnography (PSG) is a multi-parameter type of sleep study [1] and a diagnostic tool in sleep medicine. The test result is called a polysomnogram, also abbreviated PSG.
Sleep Study (Polysomnogram): What to Expect - Verywell Health
Oct 22, 2025 · Sleep studies (polysomnograms) are often needed to help diagnose sleep disorders. Learn what's involved, how to prepare, and what the results could mean.
Polysomnography - UCSF Health
May 3, 2024 · Polysomnography is a sleep study. This test records certain body functions as you sleep, or try to sleep. Polysomnography is used to diagnose sleep disorders.
Overview of polysomnography in adults - UpToDate
Jul 14, 2025 · This topic provides an overview of the performance of in-laboratory PSG in adults with suspected sleep disorders. The diagnosis of specific sleep disorders, and the role of PSG in the …
Polysomnography: Overview of Polysomnography, Parameters …
Nov 15, 2023 · Nocturnal, laboratory-based polysomnography (PSG), also known as a sleep study, is the most commonly used test in the diagnosis of obstructive sleep apnea syndrome (OSAS).
Polysomnography Techniques - Sleep Scoring Explained - Sleep …
Polysomnography, often shortened to PSG, is an overnight study typically conducted in a sleep lab. A technician attaches various sensors to the person's body to capture a complete picture of their sleep …