Children's sleep patterns from 0 to 9 years: Australian population longitudinal study

Abstract

Objective: To provide accurate population normative data documenting cross-sectional, age-specific sleep patterns in Australian children aged 0-9 years. Design and setting: The first three waves of the nationally representative Longitudinal Study of Australian Children, comprising two cohorts recruited in 2004 at ages 0-1 years (n=5107) and 4-5 years (n=4983), and assessed biennially. Participants: Children with analysable sleep data for at least one wave. Measures: At every wave, parents prospectively completed 24-h time-use diaries for a randomly selected week or weekend day. 'Sleeping, napping' was one of the 26 precoded activities recorded in 15-min time intervals. Results: From 0 to 9 y..