LAU, Karolina; ZEMBALA-JOHN, Joanna; BIERNACKI, Krzysztof; JOŚKO-OCHOJSKA, Jadwiga; ŚWIĘTOCHOWSKA, Elżbieta. How do the officials sleep? The assessment of sleep of the public administration workers using objective and subjective methods. Polish Journal of Public Health, Lublin, Poland, v. 131, p. 27–34, 2021. DOI: 10.2478/pjph-2021-0006. Disponível em: https://czasopisma.umlub.pl/pjph/article/view/1044. Acesso em: 4 jul. 2025.