A bad night can prevent you from losing weight

These conclusions are those of a new study (source 1) presented at the European Congress on Obesity in Maastricht, the Netherlands. The researchers found that not getting enough sleep could limit the chances of maintaining the new weight after dieting.

“It was surprising how weight loss in obese adultsimproved the duration and quality of sleep in such a short time, and how exercising while trying to maintain weight preserved the improvements in sleep quality,” explained medical student Adrian Bogh. He added, “It was intriguing that the adults who don’t get enough sleep or have poor quality sleep after weight loss appear to be less successful in maintaining weight loss than those who get enough sleep.”

12% less body weight

In this study, 195 adults between the ages of 18 and 65 followed a low calorie diet for eight weeks. On average, they lost 12% of their body weight. Participants’ sleep duration was measured using accelerometers. Thus, the researchers discovered that after this diet, the quality and duration of sleep improved in all participants. Those who slept less than six hours a night at the start of the study increased their body mass index (BMI) by 1.3 kg/m2 during the weight maintenance phase.

“The fact that sleep quality is so strongly linked to weight loss maintenance is important because many of us don’t get the amount we need for optimal health,” says Professor Torekov from the University of Copenhagen.

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