Amount and timing of physical activity in relation to sleep quality in the general middle-aged Dutch population: A cross-sectional analysis

Objectives: To examine whether the amount and timing of moderate-to-vigorous physical activity (MVPA) was associated with sleep quality and duration in the general population. Methods: This is a cross-sectional analysis of data of a Dutch cohort collected between 2008 and 2012. Timing of physical activity (measured using an accelerometer) was categorized as performing most MVPA in morning (06:00-12:00), afternoon (12:00-18:00), evening …