Medical Dictionary

actigraphy

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noun ac·tig·ra·phy \ak-ˈti-grə-fē\

Medical Definition of actigraphy

  1. :  the use of an actigraph to make a record of the activity level of the body especially in measuring the amount and quality of sleep Actigraphy is an objective test that is useful in identifying sleep-state misperception, sleep-interruption insomnia, and circadian rhythm disorders.—Carlos H. Schenck et al., The Journal of the American Medical Association, 21 May 2003


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