Background Sleep duration has been shown to be associated with individual chronic
diseases but its association with multimorbidity, common in older adults, remains poorly …

Objective To examine the relationship between sleep duration and mortality and to quantify
the likely impact of residual confounding due to poor health status on any observed …

Background Both sleep duration and sleep quality are related to future health, but their
combined effects on mortality are unsettled. We aimed to examine the individual and joint …

Objective Poor sleep quality and reduced sleep duration impact over half of older adults and
are associated with adverse health outcomes, such as multiple chronic conditions …

Background Short or long sleep duration is proposed as a potential risk factor for all-cause
mortality in the older people, yet the results of published studies are not often reproducible …

Background Sleep disturbances are prevalent among older adults and are associated with
various individual diseases. The aim of this study was to investigate whether sleep …

Prior work has shown that both short and long sleep predict mortality. However, sleep
duration decreases with age and this may affect the relationship of sleep duration with …

Background: Increasing evidence suggests an association between both short and long
duration of habitual sleep with adverse health outcomes. Objectives: To assess whether the …

OBJECTIVE: Short (< 7 h) and long sleep durations (≥ 9 h) have recently been linked with
increased mortality in the US, Europe and Asia, but little is known about the sleep patterns of …

Previous studies have found a U‐shaped relationship between mortality and (weekday)
sleep duration. We here address the association of both weekday and weekend sleep …