How is a sleep apnea diagnosis confirmed?

Sleep study. A sleep study is the test used to diagnose sleep apnea. The test is done in 2 parts. The first part consists of monitoring you while you sleep. The second part involves putting you on a CPAP (continuous positive airway pressure) machine to see if it improves your sleep and breathing. If it works, the settings are then "titrated" to see what levels work best for you.
Sleep test. Sleep, studies give valuable info that leads to a diagnosis. Also, provides data to determine effectiveness of treatment. They can be done either in a sleep, center or at home with an ambulatory study. Physical examinations are lsomhelpful.
Sleep Study. A polysomnogram is a study done at a sleep facility. The data collected will help determine presence and level of sleep apnea, usually with an index number (ahi, or apnea/hypopnea index). Only a sleep specialist can make a diagnosis.