09:11 12/02/2026
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Nguồn tham khảo
  1. Nicolaus, T. (2025, October 1). Want to boost your brain health? Get moving. Retrieved from https://www.thenationshealth.org/content/55/8/16
  2. Vandergriendt, C. (2020, March 10). 9 Ways to stay awake while Studying. Retrieved from https://www.healthline.com/health/how-to-avoid-sleepiness-while-studying
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