New Data Analysis Methods for Actigraphy in Sleep Medicine
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The purpose of this study is to develop statistical and informatics tools for analyzing and visualizing Actical™ (actigraphy) data linked to fatigue in Sleep Medicine Center patients.
Condition or disease
Obstructive Sleep ApneaRestless Leg SyndromeInsomnia
An Actical™ is a watch-like device attached to the wrist that uses an accelerometer to measure movement nearly continuously over several days. The American Academy of Sleep Medicine practice parameters report that actigraphy is a useful tool for detecting sleep in healthy individuals, assessing specific aspects in insomnia and restless legs syndrome, circadian-rhythm disorders, and excessive sleepiness. Concurrent with these recommendations is an increased interest in the use of actigraphy as a tool for objectively measuring fatigue. With improved high-end statistical methods for analyzing this data, actigraphy has the potential to become more important as an objective diagnostic tool for determining fatigue, sleep abnormalities and assessing response to treatment.
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Ages Eligible for Study:
18 Years and older (Adult, Senior)
Sexes Eligible for Study:
Accepts Healthy Volunteers:
Patients seen in clinic at the Washington University Sleep Medicine Center.
Patient presenting to the Washington University Sleep Medicine Center for evaluation of obstructive sleep apnea syndrome, restless legs syndrome, or insomnia
Older than 18 years of age
Ability to consent to participation in the study
Willingness to wear the Actical™ for two 7 day periods and to return the equipment promptly