We understand how important it is to get a good night's sleep, and we're sorry that ZzzQuil Nighttime Sleep-Aid Tablets didn't work for you.  Our products are thoroughly tested to be effective when used as directed, so we take a report such as yours seriously. If your sleeplessness persists continuously, or for more than 2 weeks, we recommend you stop using ZzzQuil and consult a doctor. In the meantime, please hold onto the product for a few weeks in case we need any additional information.To ensure your experience gets accurately shared with our Safety Team, we would like to gather a little more information about the product. For assistance, please give us a call at 877) 881-5813.