作者
Miguel Marino, Yi Li, Michael N Rueschman, John W Winkelman, Jeffrey M Ellenbogen, Jo M Solet, Hilary Dulin, Lisa F Berkman, Orfeu M Buxton
发表日期
2013/11/1
期刊
Sleep
卷号
36
期号
11
页码范围
1747-1755
出版商
Oxford University Press
简介
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; n = 232,849) were characterized for sensitivity (actigraphy = sleep when PSG = sleep), specificity (actigraphy = wake when PSG = wake), and accuracy (total proportion correct); the amount of wakefulness after sleep onset (WASO) was also assessed. A generalized estimating equation (GEE) model included age, gender, insomnia diagnosis, and daytime/nighttime sleep timing factors.
Setting
Controlled sleep laboratory conditions.
Participants
Young and older adults, healthy or chronic primary insomniac (PI) patients, and daytime …
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