Measuring Sleep: Accuracy, Sensitivity, and Specificity of Wrist Actigraphy Compared to Polysomnography

OBJECTIVES: We validated actigraphy for detecting sleep and wakefulness versus polysomnography (PSG). DESIGN: Actigraphy and polysomnography were simultaneously collected during sleep laboratory admissions. All studies involved 8.5 h time in bed, except for sleep restriction studies. Epochs (30-sec;... View More