Why do we drool while sleeping?

Why do we drool while sleeping?




 Why do we drool while sleeping?


  Do you drool when you sleep? Chill! It's completely normal? But why does this happen? Read below...

  There are various reasons behind this. Firstly, improper sleeping position. Once we sleep on our stomach or on our side, gravity tends to tug the saliva out of our mouth. Now, once we are unconscious in sleep, our body helps us swallow the saliva. However, if it fails to do so, the saliva leaks out, thus causing drooling.

  Secondly, during certain allergies, excess saliva is produced. Now, this doesn't convince be a drag during the day because we consciously swallow the saliva. However, when we are unconscious in sleep, if our body fails to swallow the excess saliva, it results in drooling.

  Lastly, when our nose is blocked thanks to cold or flu, we open our mouth to breathe. Now, in such situations, if we sleep on our stomach or on our side, the saliva easily makes its way of our mouth, thus causing drooling.
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