Noun
polysomnography (plural polysomnographies)
A multiparameter recording of brain waves used in the study of sleep
In order to assess sleep quality, researchers used subjective measures (i.e. questionnaires ) and objective measures (i.e. polysomnography ). Source: Internet
Diagnostic tests include home oximetry or polysomnography in a sleep clinic. Source: Internet
Simultaneous collection of these measurements is called polysomnography and can be performed in a specialized sleep laboratory. Source: Internet