Over-the-counter sleep aids, or OTC sleep aids, are a common form of doxylamine, but that isn't the only way to get your nighttime dose. There are three types of sleep aids you can use.

Although this sleep aid is considered safe for short-term sleeplessness, you should be aware of some of doxylamine's side effects and drug interactions. Read more: Surprising Side Effects Of Lying ...

Concomitant other diphenhydramine- or doxylamine-containing products (including topicals): not recommended. Additive effects with other anticholinergics, antihistamines, sedatives, tranquilizers.