If you drool in your sleep, it’s a signal your body is giving you

A story of position (and gravity)

Do you sleep on your stomach or side? It’s the perfect position… for drooling. Gravity plays a very simple role here: it pulls saliva outward. Conversely, sleeping on your back often helps prevent this effect, as you subconsciously swallow more easily.

Changing your sleeping habits isn’t easy, but trying to fall asleep on your back—with a suitable pillow—may be enough to limit nighttime discharge. Here’s a little extra advice: an ergonomic pillow can greatly help you adopt this new posture.

A blocked nose? And there’s the culprit!
Another common—and less pleasant—cause of nighttime drooling is simply mouth breathing due to a blocked nose. Whether it’s a passing cold, allergic rhinitis, or a mild sinus infection, when air can no longer pass through the nose, the mouth takes over. And an open mouth means unattended saliva…