News -03-21-08 Sleep Apnea Home Test Now Available (US News) "Overnight sleep tests in a lab, or polysomnography, generally collect 12 "channels" of information, including blood oxygen levels, nasal and oral airflow, and electrical information. A home test need only include three such channels of information. You might wear monitors while you sleep that measure airflow and breathing patterns, for example, and a gadget on your fingertip that indicates the level of oxygen in your blood. And sleep specialists have experience finding the meaning in sleep study data. Now, people who test at home might well take the results to their own physician." 03-08

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