Abstract
We investigated the influence of nursing students' sleep quality on their patient safety (PS) competence (i.e., knowledge of the dimensions of PS). The investigation surveyed 242 nursing students in a Saudi university. The majority of the surveyed students were characterized as having poor sleep quality. Notably, more male students experienced poor sleep quality than female students. The students reported the highest confidence in "culture of safety' and "managing safety risk"; they exhibited the poorest confidence in "working in teams." Increased length of sleep latency decreased sleep efficiency, and increased daytime sleepiness-related dysfunction was associated with reduced PS competence.