Polysomnogram; Polysomnography; Rapid eye movement studies
A polysomnograph is a test of sleep cycles and stages through the use of continuous recordings of brain waves (EEG), electrical activity of muscles, eye movement (electrooculogram), breathing rate, blood pressure, blood oxygen saturation, and heart rhythm and direct observation of the person during sleep.
by Armen E. Martirosyan, M.D.
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