Dear parents, worried about your child’s weight gain? Less sleep may be the reason
Research has found a link between sleep duration and the amount of body fat in children. Going to bed late can even put them at risk of obesity.Updated: Sep 07, 2017 13:24 IST
What time your child goes to sleep affects his/her health and well being. You may want to put your kids to bed early as a recent study has linked late bedtime to weight gain. Researchers at the University of Birmingham found that Chinese children who go to bed later and sleep less are more likely to be more overweight. Previous research has shown that when kids snore, it could indicate behavioural problems, and that infants should sleep in the same room as their parents but in their own crib.
The study also indicated that later bedtimes may place children at increased risk of obesity - even if they are getting ‘enough’ sleep over the course of the night. Birmingham’s research into the sleeping habits of 2,795 youngsters, aged 9 to 12, from the city of Guangzhou, in southern China, showed a link between sleep duration and the amount of body fat. Research indicated that the Chinese children were sleeping less than youngsters in the United States and Europe, who had participated in similar studies - differences which may be a result of a focus on studying and academic achievement in China.
In the study, scientists worked with Chinese counterparts at Sun Yat-Sen University and Guangzhou Center for Disease Control and Prevention. Their findings showed that children sleeping longer have lower Body Mass Index (BMI) scores than those sleeping less. For every hour later that a child goes to bed, their BMI score increases by a small amount. Although the differences in BMI scores seem insignificant, there is evidence that even a small change in BMI score is clinically important and associated with significant change in health outcomes.
There is increasing evidence showing that high-quality, adequate sleep is important for an overall healthy body, whilst sleep duration has been decreasing over time among children and adolescents. Researcher Peymane Adab said that the study contributes to existing evidence for sleep duration as a risk factor for obesity in childhood, and later bedtime as an additional risk factor - regardless of sleep duration. She added that behaviours which can contribute to obesity, such as TV watching and snacking, were more common in the later evening. Abnormalities in children’s sleep-wake patterns might also contribute to the problem. The study appears in the Journal of Epidemiology.
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