Melatonin is a hormone that tells the body it's time to sleep. In people without sleep problems, the body follows a roughly 24-hour biological clock called the circadian rhythm. Read More

Other studies have also found that the effect of melatonin in helping to fall asleep and regulating the physiological clock may be related to its ability to lower the body's core body temperature (a lower core body temperature before bedtime helps to induce sleepiness and to enter deep sleep more quickly). Read More

Melatonin is one of the hormones secreted by the pineal gland in the brain. Melatonin is also known as pineal hormone, melatonin, melatonin hormone. It is stored in the pineal body after melatonin is synthesized, and sympathetic nerve excitation innervates the pineal cells to release melatonin. The secretion of melatonin has a distinct circadian rhythm, with suppressed secretion during the day and active secretion at night. Read More