Boy asleep over book

The CLASS Study (Changing Lives: Adolescent Stress and Sleep) is a longitudinal study that was conducted by Siobhán O’Neill and Dr. Samantha Dockray. The study is examining the associations between sleep patterns and stress and how these influence health and wellbeing.

The study included teenagers and young adults aged 12-25 living in Cork County. Participants completed a number of objective and subjective measures 3 times in a one year period.