Burning the candle at both ends during the working week could raise a person's risk of developing type 2 diabetes, New York researchers say.
People who slept fewer than six hours a night were more likely to develop a condition that precedes diabetes than those sleeping for longer, they found.
They said the study supported mounting evidence that cutting back on sleep can have a profound impact on health.
The six-year study was presented at a American Heart Association conference.
Cases of type 2 diabetes, which are often, but not always, linked to obesity, have been rising across the globe.
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The condition develops when the body makes too much insulin, but does not use the hormone efficiently to break down sugar in the blood.
A stepping stone on the way to the condition is known as impaired fasting glucose, in which blood sugar levels are too high, but not high enough to constitute a diagnosis of diabetes.
A team from the University of Buffalo, in New York, followed a group of volunteers over a six-year period.
They found those who slept on average for fewer than six hours a night during the working week were 4.56 times more likely to develop impaired fasting glucose than those sleeping six to eight hours a night.
Lead researcher Dr Lisa Rafalson said: "This study supports growing evidence of the association of inadequate sleep with adverse health issues."Read more...
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