We&#39;re truly sorry you&#39;ve experienced this while using our ZzzQuil Nighttime Sleep-Aid, Nick. ZzzQuil, like many other over-the-counter sleep medicines, contains diphenhydramine HCI, an ingredient used to treat occasional sleeplessness. Our product is found to be safe and effective when used as directed, so we take a report such as yours very seriously. Be cause this occurred, we recommend that you stop use, and contact your medical provider for advice. Your report has been shared with our Safety Team, and we&#39;d like to learn more details to further assist you. Please give us a call at 1-877-881-5813 from 9AM — 6PM EST Monday – Friday.<br />