Melatonin is a hormone that plays a role in your sleep patterns. It is connected to your circadian rhythm and gets produced in your brain in response to darkness.
- NIH: National Center for Complementary and Integrative Health. Melatonin: What You Need To Know. https://www.nccih.nih.gov/health/melatonin-what-you-need-to-know (accessed 6. August 2020)
- NHS UK. Melatonin. https://www.nhs.uk/medicines/melatonin/ (accessed 6. August 2020)
- Mayo Clinic. Melatonin. https://www.mayoclinic.org/drugs-supplements-melatonin/art-20363071 (accessed 6. August 2020)