Ghekiere, A., Van Cauwenberg, J., Vandendriessche, A., Inchley, J., Matos, M. G., Gobina, I., Tynjälä, J., Deforche, B., & De Clercq, B.
2018
Trends in sleeping difficulties among European adolescents: Are these associated with physical inactivity and excessive screen time?
International Journal of Public Health
X(X)
1-12
10.1007/s00038-018-1188-1