« Effects of Sleep Deprivation on Mental Health of Undergraduate Students of Nnamdi Azikiwe University Awka, Anambra State Nigeria ». Journal of Guidance and Counselling Studies 8, no. 1 (mars 16, 2024): 49–64. Consulté le août 3, 2026. https://journals.unizik.edu.ng/jgcs/article/view/3555.