Many young adults obtain less than the recommended sleep durationfor healthy and safe functioning. Behaviour change interventions havehad only moderate success in increasing sleep duration for this cohort.Thismaybe because thewayyoungadultsthinkaboutsleep,includingtheir willingness and ability to change sleep behaviour, is unknown.The purpose of the present study was to determine what changes, ifany, young adults are willing to make to their sleep behaviour, and toidentify factors that may enable or prevent these changes. Fifty-seven young adults (16–25 years; 57% female) took part in focusgroups addressing a) willingness to change, b) desired outcomes ofchange, and c) barriers to change in regards to sleep behaviour. Aninductive approach to data analysis was employed, involving dataimmersion, coding, categorisation, and theme generation.