Melatonin is a Hormone that regulates the sleep-wake cycle in humans and other animals. It is produced by the pineal gland in the brain and released into the bloodstream at night. Melatonin helps to synchronize the body’s circadian rhythms with the environmental light-dark cycle.
Free will is a philosophical concept that refers to the ability of human beings to make decisions or perform actions independently of any prior event or state of the universe. In this article, we will discuss it's meaning and philosophical traditions.