Biber, D., D. Czech, E. Donald, A. Hassett, and A. Tucker. “The Relationship Between Sleep Duration, BMI and Optimism Levels in Generation Z Students”. Journal of Interdisciplinary Studies in Education, vol. 11, no. 1, Mar. 2022, pp. 92-101, https://ojed.org/index.php/jise/article/view/3161.