A polysomnogram is a procedure that records a variety of body
functions during sleep, including eye movement, muscle activity, and electrical
activity of the brain. This test is done as part of a series of sleep tests to
diagnose sleep disorders, such as sleep apnea, and problems staying awake or
Polysomnograms usually are done in a hospital sleep lab. They are
monitored by a trained sleep lab technician. Small metal discs called
electrodes are attached to the person's head and body to record brain activity,
eye movements, muscle movements, heart rhythm and rate, limb movements, and
snoring. There is no pain or physical discomfort associated with these tests.
Polysomnogram recording equipment and video monitors record the person's
movements and activities during sleep. The technician is in a separate room
monitoring the test.
Polysomnogram test results are typically available in 1 to 2
March 8, 2013
Anne C. Poinier, MD - Internal Medicine & Karin M. Lindholm, DO - Neurology
How this information was developed to help you make better health decisions.
To learn more visit Healthwise.org
© 1995-2013 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
We are happy to take your appointment request over the phone, or, you may fill out an online request form.
Disclaimer: The information on this website is for general informational purposes only and SHOULD NOT be relied upon as a substitute for sound professional medical advice, evaluation or care from your physician or other qualified health care provider.