When it comes to sleeping well, every minute counts. If you don't have one sleepless minute to waste, SleepTabs are the perfect over-the-counter sleep-aid. Just one Unisom SleepTab can help you fall asleep an average of 23 minutes faster. SleepTabs contain the active ingredient doxylamine succinate (25 mg), which is non-narcotic and clinically test to ensure safety, effectiveness and quality. So stop watching the minutes tick by. Fall asleep faster and stay asleep longer with Unisom SleepTabs.