The good news is, there’s a natural relax-inducing hormone that could be your ally. It’s called melatonin which according to the University of Texas Health-Science Center is secreted cyclically from the pineal gland at the center of the brain, keeping us in sync with the rhythms of the day and the season. Meaning, it helps us get a good night’s sleep.But as people age, the brain secretion of melatonin decreases. Many adults beyond 40 have been found out to be deficient with this hormone. Age six is when the melatonin level is at its peak. The first sharp decline is after puberty when one is about 16 years old. At age 45, adults secrete only half as much as children. When you turn 80, melatonin production comes in trickles.

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Eric Raymond