Background: Recent epidemiologic studies have found that self-reported duration of sleep is
associated with obesity, diabetes, hypertension, and mortality. The extent to which self …

Recent epidemiologic studies have found that sleep duration is associated with obesity,
diabetes, hypertension and mortality. These studies have used self-reported habitual sleep …

Background Self-reported short or long sleep duration has been associated with adverse
cardiometabolic health outcomes in laboratory and epidemiologic studies, but interpretation …

Most studies of sleep and health outcomes rely on self-reported sleep duration, although
correlation with objective measures is poor. In this study, we defined sociodemographic and …

Numerous studies have found an association between shorter sleep duration and higher
body mass index (BMI) in adults. Most previous studies have been cross-sectional and …

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

Abstract Study Objectives To identify systematic biases across groups in objectively and
subjectively measured sleep duration. Methods We investigated concordance of self …

Despite mounting evidence that sleep duration is a risk factor across diverse health and
functional domains, little is known about the distribution and determinants of sleep. In 2003 …

Background: Self-report remains the most practical and cost-effective method for
epidemiologic sleep studies involving large population-based samples. Several validated …

Abstract Study Objective: The trend in sleep duration in the United States population
remains uncertain. Our objective was to examine changes in sleep duration from 1985 to …