A story of position (and gravity)
Do you sleep on your stomach or side? It's the ideal position… for drooling. Gravity plays a very simple role here: it pulls saliva outwards. Conversely, sleeping on your back often prevents this effect, because you unconsciously swallow more easily.
Changing your sleep habits isn't easy, but trying to fall asleep on your back—with a suitable pillow—can be enough to reduce nighttime leaks. A little extra tip: an ergonomic pillow can greatly help you adopt this new position.
A stuffy nose? 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 minor sinus infection, when air can no longer pass through the nose, the mouth takes over. And an open mouth means unchecked saliva
