What is a sleep study?
A sleep study, also known as polysomnography, is a test that measures and records different body functions while you sleep. These include:
The test is used to diagnose sleep disorders. Sleep disorders are conditions that cause problems with sleeping. These include trouble falling asleep, getting too much sleep, and irregular breathing during sleep. Sleep disorders can affect your overall health, safety, and quality of life. Lack of sleep may increase your risk of serious conditions such as depression, diabetes, and heart disease. It may also lead to car crashes and other accidents. Early diagnosis and treatment of a sleep disorder may help you avoid health complications.
Other names: polysomonography, sleep apnea study, home sleep study