Afonso, Boaventura R. C. R. O., Maria João Soares, e António Macedo. 2024. «The Relationship Between Optimism, Pessimism and Sleep Difficulties in University Students: The Role of Cognitive Emotion Regulation and Psychological Distress». PSICOLOGIA 38 (2):1-14. https://doi.org/10.17575/psicologia.1906.