Daylight Parameters in Hospital Wards in Hot, Arid Regions: A Simulation Analysis in The Context of Saudi Arabia

Abstract

The healing effect of daylight cannot be underestimated or overstated because multiple studies and research have revealed that exposure to natural light accelerates the healing or recovery process of patients. This research paper investigates the optimization of daylighting in hospital wards situated in hot, arid regions with a focus on Saudi Arabia. The study employed simulation tools to evaluate different daylighting strategies, aiming to improve energy efficiency and well-being. The research determined that patients in daylight rooms tend to experience less pain; this is a testament to the therapeutic effects of daylight. Consequently, daylighting decreases hospital stays and enhances mood and productivity among staff. The evaluation of the recent situation in the case study ward in a Saudi Arabia hospital established that the daylight levels are below the recommended standards and that the daylight varies between the identical wards due to the time of the day and ward direction.