RAMAKRISHNAPPA, Sowmya; ANBAZHAGAN, Deepa; KUMARASAMY, Verasingam; KUMARASAMY, Vinoth. Intra-Individual Variability in Sleep Quality Among Coffee Consumers: A Cross-Sectional Study. Pakistan Journal of Nutrition, Pakistan, v. 19, n. 3, p. 146–152, 2020. DOI: 10.3923/pjn.2020.146.152. Disponível em: https://pjnonline.org/pjn/article/view/2842. Acesso em: 7 sep. 2025.