Discuss advantages and disadvantages of melatonin used as a dietary supplement compared to chemical-based sleep aids. How is the body affected by each type of sleep aid?

1. Melatonin is a hormone primarily released by the pineal gland at night and has long been associated with control of the sleep–wake cycle. As a dietary supplement, melatonin is often used for the short-term treatment of insomnia.
2. Discuss advantages and disadvantages of melatonin used as a dietary supplement compared to chemical-based sleep aids. How is the body affected by each type of sleep aid?