Medical Dictionary
polysomnography
noun poly·som·nog·ra·phy \-fē\
plural poly·som·nog·ra·phies
Medical Definition of POLYSOMNOGRAPHY
: the technique or process of using a polygraph to make a continuous record during sleep of multiple physiological variables (as breathing, heart rate, and muscle activity)
—poly·som·no·graph·ic \-ˌsäm-nə-ˈgraf-ik\ adjective
—poly·som·no·graph·i·cal·ly \-i-k(ə-)lē\ adverb
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