What is a Polysomnogram (PSG)?
A Polysomnogram (PSG) is sleep study in which a continuous monitoring and recording of selected body functions during sleep. The test also records brain waves, eye movements, and various muscle activities, which together determine the various sleep stages. Heart rate/rhythm, sleep movements, and snoring sounds are also monitored and recorded. For a possible Sleep Apnea, we also record breathing pattern and the blood oxygen level. Additional measurements can be performed in patients with other suspected sleep disorders.
