Nearly one in two French people is overweight or obese in 2020. This is what the news reveals Investigation Led by the Obesity Control Association. Among the risk factors for obesity, which may be nutritional, genetic or even environmental, we find in particular a sedentary lifestyle, an imbalance in the diet or even stress.
Sleep also has an effect on weight. No wonder, when you know that sleeping too little also increases the risk of cardiovascular disease and impairs cognitive functions. new a study Chinese published in الصينية Journal of the American Medical Association (JAMA) It was found that going to bed late and sleeping less was associated with an increased risk of obesity, in particular abdominal obesity.
Going to bed late and sleeping too little increases the risk of obesity الإصابة
For the purposes of this study, researchers followed 136,652 participants between the ages of 35 and 70 from 26 countries. They found that 19.9% of them were obese and 27.1% of them were abdominal obesity.
Obesity is defined byWorld Health Organization (WHO) Such as “Abnormal or excessive accumulation of fat in the body can be harmful to health”. We talk about obesity when the body mass index (BMI) is greater than 30. Obesity, for its part, is characterized by a waist circumference greater than 102 cm for men and 88 cm for women.
By analyzing the participants’ health data, the researchers found that the average sleep duration was 7.8 hours. However, 14.4% of the volunteers went to sleep late, that is, in the middle of the night or later.
Encourage him to sleep longer and earlier
The study authors found that a later bedtime was associated with obesity and abdominal obesity, especially in volunteers who went to bed between 2 and 6 a.m. But that’s not all: daytime naps have not compensated for this risk.
Researchers explain that sleeping late ‘May cause greater risk of circadian disruption’, a phenomenon particularly associated with low levels of leptin, the hormone responsible for regulating appetite.
In the face of these results, “Strategic weight control programs should also encourage earlier sleep and avoid short nights sleep to mitigate the obesity epidemic.”, the researchers conclude.
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