Introduction
Managing and increasing accessible green spaces has been recommended as a potential way of improving public health (Studies exploring the effects of nature-based social prescribing are still uncommon (Healthier sleep is associated with better mental wellbeing (Our study aims to:explore and compare the effects of a nature-based social prescribing scheme and an exercise-based social prescribing scheme on mental wellbeing in a primary care population,analyze general and mental health outcomes as well as sleep characteristics in a primary care population participating in social prescribing schemes, andtest if the effects on mental wellbeing of two different social prescribing schemes are different based on participants general health or mental health status.