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Sleep and obesity

LONDON – People who have insufficient sleep are more likely to be overweight and obese, accompanying poorer metabolic health conditions, according to a latest study by British researchers.

The study, led by the Leeds Institute of Cardiovascular and Metabolic Medicine and the School of Food Science and Nutrition, involved 1,615 adults in Britain aging from 19 to 65.

The team collected blood samples from the participants and recorded their sleep duration, food intake, body weight, waist circumference and blood pressure, together with a number of other data to study the relationship between sleep duration, diet, weight and other indicators of overall metabolic health.

The research shows that people who were sleeping an average of six hours each night had waist measurements about 3 cm more than getting nine hours of sleep per night, suggesting that those with less sleep weighed more, according to the research article published in the Public Library of Science journal PLOS One.

Researchers believed the result further proves that insufficient sleep can increase the potential risk of developing diabetes and other metabolic diseases.

Greg Potter, one of the Leeds researchers, said “the number of people with obesity worldwide has more than doubled since 1980.

Obesity contributes to the development of many diseases, most notably type 2 diabetes.” He thus stressed the importance of “understanding why people gain weight,” saying that it “has crucial implications for public health.” (Xinhua)