inflammation and swelling the passage becomes narrow, thereby obstructing the drainage of accumulated saliva down the throat.
6. Sleep terrors
Drooling is a known symptom seen in people suffering from sleep terrors. Sleep terrors can be manifested in adults as a result of psychopathological reasons.
They often occur when a person is under severe emotional stress or may be triggered by certain drugs like sedatives, alcohol, or even sleep deprivation.
Sometimes, drooling is also seen in people suffering from other sleep-related disorders like sleepwalking (somnambulism) and somniloquy (sleep talking).
7. Drugs and chemicals
If you’re on certain medications or if you’re taking drugs, then drooling may be an everyday thing for you. Some antidepressants and medications like morphine, pilocarpine (treats dry mouth) cause increased saliva production.