Medical Dictionary

actigraphy

noun ac·tig·ra·phy \ ak-ˈti-grə-fē \

medical Definition of actigraphy

: 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 Association21 May 2003

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