Investigation of dose-dependent association between bedtime routines and sleep outcomes in infants and toddlers
10.3760/cma.j.issn.0578-1310.2017.06.009
- VernacularTitle: 婴幼儿就寝习惯与睡眠时间及质量的剂量依赖性研究
- Author:
Fang YANG
1
;
Qingmin LIN
;
Guanghai WANG
;
Yanrui JIANG
;
Yuanjin SONG
;
Shumei DONG
;
Wanqi SUN
;
Yujiao DENG
;
Yan WANG
;
Xiaojuan XU
;
Qi ZHU
;
Fan JIANG
Author Information
1. Department of Developmental and Behavioral Pediatrics, Shanghai Children′s Medical Center Affiliated to Shanghai Jiao Tong University School of Medicine, Ministry of Education Shanghai Key Laboratory of Children′s Environmental Health, Shanghai 200127, China
- Publication Type:Journal Article
- Keywords:
Infant;
Child;
Sleep;
Bedtime routine
- From:
Chinese Journal of Pediatrics
2017;55(6):439-444
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the current bedtime routine among Chinese children less than 3 years of age and explore its dose-dependent association with sleep duration and sleep quality.
Method:Healthy full-term born children aged 0-35 months were selected by stratified cluster random sampling method from 8 provinces in China following the "Hospital of Province-City-County" sampling technical route during 2012-2013.Brief Infant Sleep Questionnaire(BISQ) was used to assess sleep conditions of these children.Children′s personal and family information was obtained by Shanghai Children′s Medical Center Socio-demographic Questionnaire.Both of these questionnaires were filled in by parents. The effects of bedtime routine on children′s sleep duration and quality were analyzed by multivariate analysis of variance.
Result:The children′s average age was(12±10) months(n=1 304), of whom 689 were males (52.8%, 689/1 304). There were 48.5%(632/1 304)of the parents reported that their children had not established regular sleep routines. There was a consistent dose-dependent association between bedtime routine and sleep duration, as well as other indicators for sleep quality (all P<0.05). The more regular the sleep routines, the longer the sleep duration, the earlier the children went to sleep, the shorter the sleep onset latency, the fewer the nighttime wakeup and the shorter the nighttime waking.The nighttime sleep duration was significantly longer for those with a bedtime routine 'every night’ than those who 'never’ had a bedtime routine (9.5(95%CI: 9.4-9.6)vs. 8.9(95%CI: 8.6-9.3)h, t=3.345, P=0.001). Compared with children who never had bedtime routines, children with regular bedtime routines had fewer night wakeup (1.3(95%CI: 1.2-1.4) vs. 2.4( 95%CI: 2.0-2.9), t=3.182, P=0.001) and shorter night waking duration(16.6(95%CI: 14.6-18.8) vs. 59.2 (95%CI: 47.0-72.7)min, t=6.383, P<0.01).
Conclusion:The percentage of children who have established regular bedtime routine is low in China. There is significant dose-dependent association between regular bedtime routine and sleep outcomes, especially sleep quality. The more regular the sleep routines, the better the sleep quality.
