The circadian rhythm plays a fundamental role in regulating biological functions, including
sleep–wake preference, body temperature, hormonal secretion, food intake, and cognitive …

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

Aims Observational studies have suggested strong associations between sleep duration
and many cardiovascular diseases (CVDs), but causal inferences have not been confirmed …

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 …

Abstract The Centers for Disease Control and Prevention (CDC) in the United States has
declared insufficient sleep a “public health problem.” Indeed, according to a recent CDC …

Background There is growing evidence that sleep duration and quality may be associated
with cardiovascular harm and mortality. Methods and Results We conducted a systematic …

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 …

The American Academy of Sleep Medicine and Sleep Research Society recently released a
Consensus Statement regarding the recommended amount of sleep to promote optimal …

Importance The association between long sleep duration and mortality appears stronger in
East Asian populations than in North American or European populations. Objectives To …