Sleep duration is associated with cardiovascular disease and diabetes risk factors,
depression, automobile and workplace accidents, and prospective mortality. Little is known …

The first state-specific estimates of the prevalence of a≥ 7 hour sleep duration in a 24-hour
period show geographic clustering of lower prevalence estimates for this duration of sleep in …

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

Sleep Duration as a Correlate of Smoking, Alcohol Use, Leisure-Time Physical Inactivity, and
Obesity Among Adults: United State Page 1 May 2008 Sleep Duration as a Correlate of …

Study Objective: Subjective and objective assessments of sleep may be discrepant due to
sleep misperception and measurement effects, the latter of which may change the quality …

Abstract Study Objectives: Daytime sleepiness is a pervasive problem that is associated with
a significant public-health burden. Although self-reported measures of daytime sleepiness …

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

Abstract Study Objectives: Racial and ethnic differences in sleep duration are not well
understood. Research shows that short (≤ 6 hours) and long (≥ 9 hours) sleepers have …

The authors examined sociodemographic, lifestyle, and comorbidity factors that could
confound or mediate U-shaped associations between sleep duration and health in 6,472 …

Introduction Epidemiologic studies have shown the importance of habitual sleep duration as
an index of health and mortality risks. However, little has been done to ascertain ethnic …