Alcohol and Drug Foundation (n.d.). Caffeine. Retrieved February 28, 2023, from https://adf.org.au/drug-facts/caffeine/
Pacheco, D. (2023, February 7). Caffeine and Sleep. Retrieved March 1, 2023, from https://www.sleepfoundation.org/nutrition/caffeine-and-sleep
HOOP (2021, October 15). Everything You Should Know About Slow Wave Sleep (SWS). Retrieved March 1, 2023, from https://www.whoop.com/en-au/thelocker/what-is-slow-wave-sleep-sws/
Olsen, N. (2018, September 28). The Effects of Caffeine on Your Body. Retrieved March 1, 2023, from https://www.healthline.com/health/caffeine-effects-on-body#Central-nervous-system
TED-Ed. (2017). How does caffeine keep us awake? - Hanan Qasim. In YouTube. https://www.youtube.com/watch?v=foLf5Bi9qXs
