Is the regular use of Melatonin safe and effective for treating insomnia?

Melatonin is a natural hormone primarily produced by the pineal gland in the brain. Although melatonin is associated with various essential functions within the body, it primarily affects the circadian rhythm. Melatonin regulates the internal 24-hour biological clock and maintains the sleep-wake cycle. In addition, it plays a significant role in the regulation of male [...]