Background Effects of extreme sleep duration on risk of mortality and cardiovascular
outcomes remain controversial. We aimed to quantify the dose‐response relationships of …

Objective The dose–response of short sleep duration in mortality has been studied, in
addition to the incidences of notable health complications and diseases such as diabetes …

We examined the dose–response relationship between long sleep duration and health
outcomes including mortality and the incidence of diabetes mellitus, hypertension …

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Aims To investigate the association of estimated total daily sleep duration and daytime nap
duration with deaths and major cardiovascular events. Methods and results We estimated …

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

Summary Approximately 27–37% of the general population experience prolonged sleep
duration and 12–16% report shortened sleep duration. However, prolonged or shortened …

Objective The purpose of our study was to evaluate the association between short and long
sleep duration and all-cause and cardiovascular mortality among elderly individuals. Design …

Background: Nearly 50% of older adults have insomnia, with difficulty in getting to sleep,
early awakening, or feeling unrefreshed on waking. With aging, several changes occur that …

Daytime napping is a common, heritable behavior, but its genetic basis and causal
relationship with cardiometabolic health remain unclear. Here, we perform a genome-wide …