Promotes Sleep.Helps establish normal sleep patterns.Twin Pack - 2 Bottles of 240 Tablets.</br></br>Product Description</br></br>Melatonin supports healthy sleep patterns with a special time release formula. The body naturally releases melatonin in response to changes in light?? with melatonin levels rising at night. It is in this way that melatonin helps promote sleep.</br><br/>http://www.amazon.com/gp/product/B00238FB1K