Melatonin, an important hormone produced in the brain of humans, is responsible for carrying out a wide range of activities.  One of the primary roles of this hormone is that it actively participates in the management of circadian (daily) rhythms. Melatonin also has a role to play in various medical conditions. These include and are not restricted to Alzheimer’s disease, exposure to radiations and tinnitus. The hormone production takes place in the pineal gland of the brain. It helps in controlling the regularity of sleep patterns. Melatonin is found in certain types of food substances and can also be obtained in the form of pills. Here, we aim to discuss…