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Evaluation of human activities and sleep-wake identification using wrist actigraphy
H Shinkoda1, K Matsumoto, J Hamasaki
1School of Health Sciences, University of Occupational and Environmental Health, Japan.
Psychiatry and Clinical Neurosciences
|June 17, 1998
Abstract:
The purpose of this study is to investigate the count-characteristics of wrist actigraphy in basic human activities and to discuss the agreement of sleep-wake identification between polysomnography (PSG) and wrist actigraphy during nocturnal sleep. There was a distinct distribution of actigraphy counts over the studied activities. The evaluation of sleep-wake scoring using the wrist actigraphy agreed 96.9% with the polysomnographic scoring during nocturnal sleep.