Study: Early-Risers at Risk for Heart Problems

Early to bed, early to rise may be a mantra praised for generations, but a new Japanese study finds that early-risers are at a higher risk for developing heart problems, AFP reports.

The study, conducted by researchers from several universities and hospitals in the western Japanese city of Kyoto, examined 3,017 healthy adults between the ages of 23 and 90.

It found that early risers had a greater risk of heart conditions including hypertension and strokes, researchers said this week at an international sleep conference in Cairns, Australia.

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A study released in June by researchers at the University of Pennsylvania similarly found that chronic sleep deprivation adds stress to the heart.