Abstract
ObjectivesAn increasing number of children and adolescents divide their time between their separated parents’ homes. Although marital conflict is disadvantageous for children's sleep, little is known about how children of separated parents sleep. The objective was to investigate the association between children's custody arrangements and sleep habits and sleep initiation difficulties. DesignCross sectional nationally representative samples of adolescents from the WHO study Health Behaviour in School-aged Children (HBSC) (n = 11,802). SettingSweden in 2013/2014 and 2017/2018. ParticipantsAdolescents in grades 5, 7, and 9 from Swedish compulsory comprehensive school. MeasurementsThe survey included questions on sleep behaviors including bedtime, wake-up time and frequency of sleep onset problems. The analysis methods used were ordinary least squares and logistic regression. ResultsThe results show differences by custody arrangement, but they are not uniform across the dependent variables. Children and adolescents in sole maternal custody were less likely to sleep as much as recommended (P < .001), more likely to have late bedtimes (P < .001), report sleep initiation difficulties (P < .01) and to report social jetlag between school mornings and weekends (P < .05) compared to those in 2-parent families. Shared physical custody was associated with a higher likelihood of late bedtimes (P < .05) and sleep initiation difficulties (P < .05) compared to those in 2-parent families, but not of sleeping less than recommended or reporting social jetlag. Less-than-equal sharing was generally associated with worse sleep than in 2-parent families. ConclusionsAs custody arrangements seem to be associated with sleep, it is important to understand the mechanisms behind the findings.
Highlights
Adolescent sleep research often assumes that teenagers have one bedroom and are affected by only one family’s habits and rules regarding sleep
The aim of this study is to investigate the associations between adolescent sleep, including bedtimes, sleep duration, social jetlag, and sleep initiation difficulties and custody arrangement
Dependent variables We investigated 4 aspects of youth sleep: bedtime, opportunity for obtaining the recommended nighttime sleep duration by age, social jetlag, and sleep initiation difficulties
Summary
Adolescent sleep research often assumes that teenagers have one bedroom and are affected by only one family’s habits and rules regarding sleep. An increasing number of children and adolescents share their time between their separated parents’ homes and may be influenced by 2 different sleeping arrangements and sets of rules. J. Turunen et al / Sleep Health 00 (2021) 1À7. Shared physical custody has increased from 1% of children of separated parents in the 1980s to 28% in 2018.5
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