Movement behaviours and mental wellbeing: A cross-sectional isotemporal substitution analysis of Canadian adolescents

Background: Studies have shown reallocating screen time for healthy movement behaviours such as physical activity and sleep can provide important benefits for mental health. However, the focus on positive aspects of mental health such as wellbeing has received limited attention, particularly among adolescents. The purpose of this study was to examine the effects of reallocating physical activity, screen time, and sleep on mental wellbeing in …