If You Drool While Sleeping Often, It Could Be a Sign of These 6 Health Conditions

What it is: Allergic rhinitis (hay fever), chronic sinusitis, or other conditions that cause nasal congestion force you to breathe through your mouth. Mouth breathing + gravity = drool.

Why it causes drooling: When your nose is blocked, your body has no choice but to breathe through your mouth. An open mouth allows saliva to escape.

Other symptoms to continue reading …