Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author exact 1FD3F4F0-F0EE-11E1-A9DE-61C894A0A6B4 or (type any "bookEditor journalEditor issueEdi... cql: keyword exact "countries" Add to list Journal Article A1 Trends in sleeping difficulties among European adolescents : are these associated with physical inactivity and excessive screen time? Ariane Ghekiere (UGent) , Jelle Van Cauwenberg (UGent) , Anneke Vandendriessche (UGent) , Joanna Inchley, Margarida Gaspar de Matos, Alberto Borraccino, Inese Gobina, Jorma Tynjälä, Benedicte Deforche (UGent) and Bart De Clercq (2019) INTERNATIONAL JOURNAL OF PUBLIC HEALTH. 64(4). p.487-498