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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Beyond sleep duration: Sleep timing as a risk factor for childhood obesity
Pediatric Obesity, Volume 16, No. 1, Article e12698, Year 2021
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Description
Background: Ample evidence attests to the relationship between short sleep duration, sleep problems and childhood obesity. However, few studies have examined the association between sleep timing and obesity in children. Objectives: To investigate how sleep duration, problems and timing relate to obesity and obesogenic behaviours in children. Methods: Eighty-five children (58.8% girls) with severe obesity and mean (SD) age of 12.1 (2.9) years, were matched by age and sex with peers with normal weight (n = 85,12.0 [2.8] years). Sleep and moderate-to-vigorous physical activity (MVPA) were measured via accelerometer for seven consecutive days. Children self-reported emotional eating on the Dutch eating behavior questionnaire. Parents reported children's screen time and sleep problems. Results: Children with severe obesity had significantly later mean mid-sleep time, overall (36 minutes later, P <.001), on school nights (36 minutes later, P <.001) and weekend nights (39 minutes later, P =.002) compared to children with normal weight. Children with obesity had more sleep problems (P =.030), but no differences emerged in sleep duration or social jetlag. After adjusting for demographic factors, mid-sleep time was positively related to screen time (P =.030). Mid-sleep time and sleep duration were inversely related to time in MVPA (Ps ≤.041). There were no other significant associations between the sleep variables and the obesogenic behaviours. Conclusions: Later sleep timing was related to obesogenic behaviours in children and may represent an obesity risk factor. © 2020 The Authors. Pediatric Obesity published by John Wiley & Sons Ltd on behalf of World Obesity Federation.
Authors & Co-Authors
Skjåkødegård, Hanna Flækøy
Norway, Bergen
Universitetet I Bergen
Danielsen, Yngvild Sørebø
Norway, Bergen
Universitetet I Bergen
Roelants, Mathieu
Belgium, Leuven
Ku Leuven
Pallesen, Ståle
Norway, Bergen
Universitetet I Bergen
Norway, Bergen
Haukeland Universitetssjukehus
Júlíusson, Pétur Benedikt
Norway, Bergen
Universitetet I Bergen
Norway, Oslo
Folkehelseinstituttet
Norway, Bergen
Haukeland Universitetssjukehus
Statistics
Citations: 31
Authors: 5
Affiliations: 7
Identifiers
Doi:
10.1111/ijpo.12698
ISSN:
20476302
Research Areas
Maternal And Child Health
Noncommunicable Diseases
Participants Gender
Female