Sleep patterns are reported as triggers for Recurrent aphthous stomatitis (RAS). Students with several academic assignments influence the pattern. This study aimed to determine the relationship between sleep quality and RAS in dental students at Baiturrahmah University, Indonesia. This study used a cross-sectional approach. The data collection uses google form in 2022, which operates 73 samples with a simple random sampling technique, while data analysis uses a chi-square test. The results showed that the sleep quality was moderate in 53 people (72.6%), the highest incidence of RAS was negative in 44 people (60.3%), and there was no relationship between sleep quality and the incidence of RAS (p=0.526). The study concluded no association between sleep quality and RAS in dental students at Baiturrahmah University.

Keywords : Sleep Quality, SAR, Dentistry Students