Sleep Duration Schedule and Quality among Urban Chinese Children and Adolescents: Associations with Routine After-School Activities

摘要

BackgroundWith rapid urbanization accompanied by lifestyle changes, children and adolescents living in metropolitan areas are faced with many time use choices that compete with sleep. This study reports on the sleep hygiene of urban Chinese school students, and investigates the relationship between habitual after-school activities and sleep duration, schedule and quality on a regular school day.