Evaluation of the Association between Medication Use and Sleep Quality among Shift Workers versus Day Workers

Different factors, such as medication use and shift work, can influence sleep quality. We aimed to determine the association between medication use and sleep quality in shift workers versus daytime workers. We conducted a quantitative cross-sectional study with a convenience sample of active workers. Online questionnaires were applied to assess sleep quality, sleepiness, medication use, and sociodemographic characteristics. A total of 296 participants were included: 124 (41.89%) daytime workers and 172 (58.11%) shift workers. In total, 130 (43.92%) participants worked in the healthcare sector, 116 (39.19%), in industry, and 50 (16.89%), in other sectors. After a bivariate analysis, poor sleep quality was associated with the presence of sleep disorders (