Doing homework or going to sleep? An application of the theory of planned behaviour in high school students

Doing homework before bedtime is a barrier for good sleep among high school students. Although a few studies gave some insight into the relation between sleep and late night homework, underlying determinants of this behaviour are unknown. The Theory of Planned Behaviour has found to be useful in understanding and predicting intention and behaviours related to sleep. Therefore, this study uses the TPB as a framework to investigate the determinants of doing homework before bedtime. The aim of this study was to get insight into which determinants are predictive for doing homework late at night (one hour before bedtime) and how this is related to sleep difficulties among high school students.