Sleep irregularity and the association with hypertension and blood pressure levels: the ELSA-Brasil study - Parise, Barbara K; Santos, Ronaldo B; Mesas, Arthur E; Silva, Wagner A; Giatti, Soraya; Aielo, Aline N; Cunha, Lorenna F; Souza, Silvana P; Bortolotto, Luiz A; Drager, Luciano Ferreira (Journal of hypertension, 2023)