Psychological distress and trajectories of sleep duration among Australian adolescents: a prospective cohort study

Abstract

Objectives This study investigated the association between indicators of psychological distress and well-being and trajectories of sleep duration among a cohort of Australian adolescents. Design A prospective cohort of adolescents was followed over 27 weeks (8 November 2019–14 May 2020). Data on sleep duration and psychological distress were collected via smartphones, based on ecological momentary assessments. Setting Sydney population catchment, Australia. Participants Young people aged 13–19 years were recruited via social media (Instagram or Facebook). Primary outcome measure Self-reported sleep duration in the past 24 hours. Sleep duration was dichotomised into ‘less than 8 hours’ and ‘a..