Changes in children's sleep duration on food intake, weight, and leptin.
| Autor: | Hart CN; Center for Obesity Research and Education, Temple University, 3223 N Broad St, Suite 175, Philadelphia, PA 19140. chantelle.hart@temple.edu., Carskadon MA, Considine RV, Fava JL, Lawton J, Raynor HA, Jelalian E, Owens J, Wing R |
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| Jazyk: | angličtina |
| Zdroj: | Pediatrics [Pediatrics] 2013 Dec; Vol. 132 (6), pp. e1473-80. Date of Electronic Publication: 2013 Nov 04. |
| DOI: | 10.1542/peds.2013-1274 |
| Abstrakt: | Objective: To examine the effect of experimental changes in children's sleep duration on self-reported food intake, food reinforcement, appetite-regulating hormones, and measured weight. Methods: Using a within-subjects, counterbalanced, crossover design, 37 children, 8 to 11 years of age (27% overweight/obese) completed a 3-week study. Children slept their typical amount at home for 1 week and were then randomized to either increase or decrease their time in bed by 1.5 hours per night for 1 week, completing the alternate schedule on the third week. Primary outcomes were dietary intake as assessed by 24-hour dietary recalls, food reinforcement (ie, points earned for a food reward), and fasting leptin and ghrelin. The secondary outcome was child weight. Results: Participants achieved a 2 hour, 21 minute difference in the actigraph defined sleep period time between the increase and decrease sleep conditions (P < .001). Compared with the decrease sleep condition, during the increase condition, children reported consuming an average of 134 kcal/day less (P < .05), and exhibited lower fasting morning leptin values (P < .05). Measured weights were 0.22 kg lower during the increase sleep than the decrease sleep condition (P < .001). There were no differences in food reinforcement or in fasting ghrelin. Conclusions: Compared with decreased sleep, increased sleep duration in school-age children resulted in lower reported food intake, lower fasting leptin levels, and lower weight. The potential role of sleep duration in pediatric obesity prevention and treatment warrants further study. |
| Databáze: | MEDLINE |
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