Split Night Study

In some cases, both diagnosis and treatment of a breathing problem while sleeping can be accomplished in a single night's study, rather than two separate studies. As with the polysomnogram (PSG), sensors measure your brain waves, eye movements, muscle tone, breathing patterns and blood oxygen levels. Once asleep, the technologist carefully monitors the sleep diagnostic equipment for any sign of disrupted breathing during sleep. If significant interruptions in your breathing (known as sleep apnea) are observed, the technologist will apply PAP during the second half of the sleep study.

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