Melatonin is a hormone manufactured in the brain by the pineal gland, from the amino acid tryptophan. Levels of melatonin in the blood peak before bedtime and its function is to create restful sleep. Research has also revealed that it is a powerful antioxidant. Stress, however, significantly lowers melatonin levels. People who meditate are able to maintain healthy levels of melatonin by reducing stress and restoring balance. As a result, they sleep more soundly and wake up feeling refreshed each morning.
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