OTTAWA, Canada — Even if you’re getting enough sleep overall, inconsistent bedtimes and wake-up times might be putting your heart at serious risk. An international study shows that people with ...

Inside every muscle cell, there’s a clock. Not the kind that ticks on your wall or buzzes on your wrist, but a natural timekeeping system that helps your body stay in rhythm. This clock controls when ...

A new large-scale study has found that irregular sleep-wake cycles can significantly increase the risk of serious cardiovascular events, including heart attack and stroke — even for individuals who ...

WXIN/WTTV – A new study is pointing to more evidence that staying healthy doesn’t only mean getting eight hours of sleep, it also means trying to maintain a regular sleep schedule. The study, ...

Actigraphy data show irregular sleep-wake rhythms nearly double the risk for relapse in individuals with remitted major depressive disorder.

Japan suffers an estimated annual economic loss of around ¥1 trillion due to the "social jet lag" mismatch between sleep ...

About two-thirds of Americans are getting too little or too much sleep, risking their health, a new study suggests. In fact, people not getting the right amount of sleep -- seven to nine hours a night ...

People recovering from heart failure should consider improving the regularity of their sleep, a study led by Oregon Health & Science University suggests. The research team found that even moderately ...

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