Sleep quality of patients with diabetes mellitus: association with anxiety trait and state.

Objective: To assess sleep quality and the association of trait and state anxiety in patients with diabetes mellitus.

Method: A cross-sectional, quantitative, and analytical study was conducted between January and April 2022, at the reference center for hypertension and diabetes in Rio Verde, Goiás, with 81 patients. The Pittsburgh Sleep Quality Index and State-Trait Anxiety Inventory were used for data collection.