Abstract
This study aimed to evaluate the relationships between sleep duration and overweight/obesity, obesity, and metabolic syndrome (MetS) and its components in children and adolescents. A total of 6,048 participants aged 10–18 years were divided into the following four sleep-duration groups based on age-specific sleep duration: i) very short; ii) short; iii) recommended; and iv) long. The participants in the very short sleep-duration group had an increased odds ratio (OR) of 1.76 for overweight/obesity, 1.69 for obesity, and 1.49 for elevated waist circumference (WC) compared with the recommended sleep-duration group. The subjects in the long sleep-duration group had an increased OR of 2.71 for elevated triglyceride (TG) compared with those in the recommended sleep-duration group. In subgroup analyses, boys in the very short sleep-duration group exhibited an increased OR of 1.78 for overweight/obesity compared with those in the recommended sleep-duration group. Compared with girls in the recommended sleep-duration group, those in the very short sleep-duration group exhibited an increased OR of 1.69 for overweight/obesity, 2.28 for obesity, and 1.57 for elevated WC; in contrast, girls in the very short sleep-duration group exhibited a decreased OR of 0.58 for elevated TG. The girls in the long sleep-duration group had an increased OR of 3.86 for elevated TG compared with those with recommended sleep-duration. Our results suggest that shorter sleep durations may be related to overweight/obesity, obesity, and central obesity, and longer sleep durations may be associated with elevated TG. However, the nature of these relationships may be dependent on sex.
Highlights
Sleep is considered to play a role in growth and development in children and adolescents and in health status in children, adolescents, and adults through its control over the diurnal rhythm, which is related to energy homeostasis[6]
In the present population-based study, we aimed to evaluate the relationships between sleep duration and overweight/obesity, obesity, and MetS and its components and to investigate whether these relationships persisted after adjustment for possible confounders in children and adolescents aged 10–18 years using nationally representative data
The present population-based study showed that boys and girls in the very short sleep-duration group exhibited higher adjusted means of Body mass index (BMI) standard deviation scores (SDS), and boys in the very short sleep-duration group exhibited higher adjusted means of WC SDS
Summary
Sleep is considered to play a role in growth and development in children and adolescents and in health status in children, adolescents, and adults through its control over the diurnal rhythm, which is related to energy homeostasis[6]. Some studies have reported differences in the relationships between impaired sleep duration and obesity and cardiometabolic risk factors based on age[9] and sex[11]. In the present population-based study, we aimed to evaluate the relationships between sleep duration and overweight/obesity, obesity, and MetS and its components and to investigate whether these relationships persisted after adjustment for possible confounders in children and adolescents aged 10–18 years using nationally representative data. We examined these relationships based on sex differences
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