Why You Pour Saliva On Your Pillow While Sleeping And What It Means According To Science

Waking up to find a wet patch of drool on your pillow might be a little embarrassing, especially if someone else notices.Read The; Full Original.

But truth be told, drooling during sleep is more common than most people think, and it’s not always a bad thing. In fact, science has some interesting explanations behind this nighttime phenomenon.

Drooling, medically referred to as sialorrhea, happens when saliva escapes from the mouth while sleeping. During the day, we naturally swallow our saliva without even thinking about it. But when we’re deeply asleep—especially in the REM (Rapid Eye Movement) phase—our muscles, including those in the face and mouth, relax completely.

This muscle relaxation can cause the mouth to open slightly, allowing saliva to pool and leak out.

People who sleep on their sides or stomachs are more likely to drool because gravity helps the saliva escape more easily. So, if.Read The; Full Original.