Sleep quality is an important determinant of health and can be affected by the problematic use of new technologies and other behavioural addictions. This presentation will outline a study conducted amongst young adults that analyses the relationship between sleep quality and behaviours such as mobile phone dependence, compulsive internet use, video gaming and gambling. The methodology employed, the main findings and the conclusions of the study will be presented, highlighting the importance of prevention and the promotion of healthy habits to improve rest and wellbeing amongst young people.