Polysomnogram

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 sleeping.

Polysomnograms usually are done in a hospital sleep lab. They are monitored by a trained sleep lab technician. Small pads or patches 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 weeks.

Is it an emergency?

If you or someone in your care has chest pains, difficulty breathing, or severe bleeding, it could be a life-threatening emergency. Call 9-1-1 or the local emergency number immediately.
If you are concerned about a possible poisoning or exposure to a toxic substance, call Poison Control now at 1-800-567-8911.

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