Association between Media Use and Bedtime Delays in Young Children: An Adjunct Study of the Japan Environment and Children's Study.

ABSTRACT: Excessive screen media use has been reported to cause shorter sleep; however, the types of media environments that affect early childhood sleep are less known. This study examined the association of multiple media use, screen time for each device, and the purpose of smartphone and tablet use with delayed bedtime among 4-8-year-olds. Participants were recruited from the Japan Environment and Children's Study, a nationwide birth cohort study. Mothers of 1837 children reported screen media use and bedtime in a questionnaire. The association between delayed bedtimes (after 22:00 h) and media device use (smartphones, tablets, portable and console games, and TV/DVDs) was examined by logistic regression analysis. Children who used three or more devices besides TV/DVDs were more likely to have del

SUBMITTER: Yamamoto M 

PROVIDER: S-EPMC9368443 | biostudies-literature | 2022 Aug

REPOSITORIES: biostudies-literature