O039 Sleep security definition and primary domains: a Delphi study

Abstract Introduction Sleep is a fundamental biological process, but environmental and social factors influence individuals’ opportunities to obtain sufficient, high-quality sleep. These factors contribute to and explain sleep health disparities. The aim of this project was to conduct a Delphi study to conceptualise “Sleep Security”. Sleep Security places the opportunity for sufficient and high-quality sleep within a rights-based framework, drawing together a conceptualisation that highlights socio-environmental influences on sleep health. Methods An in-person workshop was held in 2024 to develop a preliminary conceptual model of Sleep Security. A 2-round online Delphi study was then conducted (2024-2025) to further refine and revise the conceptual model, definition and primary dimensions. Participants were Australian/New Zealand experts with clinical/academic experience in sleep, who rated their agreement on a 5-point Likert scale and provided qualitative feedback. Consensus was set apriori at ≥75% of participants indicating they “agree” or “strongly agree”, with qualitative data used to further refine if needed. Results Thirty-one experts participated in round 1, and 18 participated in round 2. Informed by qualitative feedback, changes were put forward for rating in round 2 for the definition of Sleep Security and three of the five domains. Consensus was reached on the definition and for five primary domains: “Safety and Security”, “Conducive Environment”, “Policy and Practice”, “Opportunities and Demands”, and “Autonomy”. Conclusions This new expert-driven conceptualisation of “Sleep Security” may be used in research and advocacy efforts to understand and promote sleep as a human right and a fundamental pillar for human health and well-being.