Abstract Study Objectives Polysomnography (PSG) is considered the “gold standard” for
assessing sleep, but cost and burden limit its use. Although wrist actigraphy and self-report …

Objectives To compare estimates of sleep duration defined by polysomnography (PSG),
actigraphy, daily diary, and retrospective questionnaire and to identify characteristics …

Study Objective: To quantify sources of night-to-night variability. Methods: This project was
conducted in 285 middle-aged African American, Caucasian, and Chinese women from the …

Objectives: We validated actigraphy for detecting sleep and wakefulness versus
polysomnography (PSG). Design: Actigraphy and polysomnography were simultaneously …

Study Objectives: The objective of this secondary analysis was to evaluate concurrent
validity of actigraphy and polysomnography (PSG) in older women with insomnia. Methods …

Study Objectives: This study tested the ecological validity of actigraphy (ACT) for estimating
objective sleep parameters in participants' homes. We also examined how well ACT and …

The multidimensional sleep health framework emphasizes that sleep can be characterized
across several domains, with implications for developing novel sleep treatments and …

Sleep disturbance influences human health. To examine sleep patterns, it is advisable to
utilize valid subjective and objective measures. Laboratory‐based polysomnography (PSG) …

Objectives To date, there has been no evidence about objectively measured sleep
characteristics from a representative national probability sample of adults in the United …

Abstract Study Objectives Most epidemiological studies assess sleep duration using
questionnaires. Interpreting this information requires understanding the extent to which self …