Melatonin is a key component of your body s sleep-wake cycle signaling your body that it is time to sleep. Aging stress levels diet exercise and external factors such as blue-light emitting smart phones tablets and computers can disrupt and minimize our body s ability to produce melatonin. Natrol® Melatonin helps you fall asleep faster stay asleep longer and wake up rested.† †These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose treat cure or prevent any diseases.