- hypnograph
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/hip"neuh graf', -grahf'/, n.an instrument that measures activities of the human body during sleep.[HYPNO- + -GRAPH]
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Universalium. 2010.
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Universalium. 2010.
hypnograph — /hip neuh graf , grahf /, n. an instrument that measures activities of the human body during sleep. [HYPNO + GRAPH] … Useful english dictionary