Question: What is the difference between Home Sleep Test and in lab Sleep Study?
Answer: Besides being conducted at home, Home Sleep Test (HST) monitor less biologic channels and are only used for the diagnosis of sleep apnea.
In-laboratory sleep studies, or polysomnography (PSG), are used for assessing other sleep disorders. PSG’s usually incorporate over 12 channels of biologic rhythms including brain waves, heart rhythm, oxygenation, muscle tone, and breathing.
Home sleep studies cost about one third that of a laboratory sleep study. They are both conducted by sleep technicians and interpreted by sleep physicians.
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