Natrol Melatonin the #1 selling melatonin brand in America is a 100% drug-free sleep aid for relief of occasional sleeplessness.? Melatonin helps establish normal sleep patterns to promote a more restful relaxing sleep and better overall health.? Natrol Advanced Sleep Melatonin comes with 10mg of melatonin for maximum strength in a 2-layer controlled release tablet that helps you fall asleep faster and stay asleep longer so you can wake up feeling refreshed.?