Sleep with Melatonin & Valerian Supplement formula also includes brain messengers and precursors, including melatonin, which sets the sleep-wake clock and signals entry into sleep. Quick release melatonin helps you fall asleep fast, while time release melatonin works with your body`s natural sleep cycle to help you stay asleep longer, when experiencing occasional sleeplessness. Sleep with Melatonin & Valerian Formulas is to promote optimal health with high-quality, effective, affordable, and superior formulation of dietary supplements.