
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 systems work …
Sleep Study (Polysomnogram): What to Expect - Verywell Health
Oct 22, 2025 · 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 …
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 (Polysomnography): How It Works | SleepApnea.org
6 days ago · A sleep study, also known as polysomnography, is a medical test that helps doctors identify potential sleep disorders. During a sleep study, sensors monitor and record key body functions to …
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: 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 …
What is a Sleep Study? | UPMC Sleep Medicine Center
Learn about sleep studies, or polysomnograms, a painless procedure that monitors your body while you sleep. Schedule an appointment for a sleep study at UPMC.
Polysomnography: MedlinePlus Medical Encyclopedia
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. There are two types of sleep: Rapid eye …
Overview of polysomnography in adults - UpToDate
Jul 14, 2025 · During PSG, the patient sleeps while connected to a variety of monitoring devices that record physiologic variables. Patterns of physiologic abnormalities during sleep may be diagnostic of …