Less Sleep, Bigger Belly

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People who don’t get enough sleep could be adding inches to their waistline, a new study has shown. Researchers at the University of Lees in the U.K. examined the association between sleep, diet, weight, and overall metabolic health among more than 1,600 adults, who tracked their diet and how long they slept each night. The researchers measured each person’s waist  circumference; factored in variables including age, ethnicity, smoking, and income; and checked the participants’ blood pressure, blood cholesterol, blood sugar, and thyroid function. They found that the waistlines of those who slept an average of six hours each night were about 1.2 inches larger than the waistlines of those who managed nine hours. The participants who slept less also had lower levels of HDL, the “good” cholesterol that helps reduce the risk for heart disease, reports ScienceDaily.com. The importance of sleep should not be underestimated, researcher Laura Hardie said, adding, “The current consensus is that seven to nine hours is best for most adults.”

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