MIERNICZEK, Aleksandra et al. Melatonin deficiency and sleep fragmentation in frequent travelers: A modern circadian health crisis. Journal of Education, Health and Sport, [S. l.], v. 86, p. 66950, 2025. DOI: 10.12775/JEHS.2025.86.66950. Disponível em: https://apcz.umk.pl/JEHS/article/view/66950. Acesso em: 23 dec. 2025.