09:53 06/07/2026
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Nguồn tham khảo
  1. Raising Children Network. (2026, May 26). About sleep. https://raisingchildren.net.au/newborns/sleep/understanding-sleep/about-sleep
  2. Xu, Z., Niu, M., Du, W., & Dang, T. (2025). The effect of sleep quality on learning engagement of junior high school students: the moderating role of mental health. Frontiers in Psychology, 16, 1476840. https://doi.org/10.3389/fpsyg.2025.1476840
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