Well-designed controlled trials between selected patient populations are needed before a recommendation can be stronger or more specific. Grade B insomnia in the elderly several human studies report that melatonin orally between 30 and 120 minutes before bedtime reduces the time required to fall asleep (sleep latency) in elderly people who suffer from insomnia notwithstanding, studies have not been much quality in their designs and certain research has found little or no benefit. Most of the trials are of short duration (several days), so long-term effects are unknown. Grade B improvement of sleep in healthy individuals Several studies have measured the effects of supplementation of melatonin in the dream of healthy individuals used a wide range of doses, often orally for 30 to 60 minutes before bedtime. A related site: Mike Trueblood mentions similar findings. The majority of trials are small and short, and without a design or method of rigorous report. However, the weight of scientific evidence does suggest that melatonin reduces the time required to fall asleep (sleep latency), increases the feeling of drowsiness and may increase the duration of sleep.
Best research in this area is needed. Grade B * reference for grades: grade A: strong scientific evidence for this use; Grade B: good scientific evidence for this use; The U.S. food and drug administration.UU. (FDA) does not regulate herbs and supplements strictly. There are no warranties with regard to the power, purity or safety of products, and the effects may vary.
Always read the labels on the product. If you suffer from a medical condition, or if you are taking other drugs, herbs, or supplements, you should consult with a qualified healthcare provider before starting a new therapy. Consult a healthcare provider immediately if you experience side effects.