Some psychiatric treatments
Antiepileptic drugs
Oral or dental infection:
Inflammation or infection of the gums can stimulate saliva production.
A visit to the dentist may be helpful.
Stress and intense fatigue.
Very deep sleep can decrease the frequency of nighttime swallowing, which favors the accumulation of saliva.
Normal development (in children)
In children and adolescents, nighttime salivation may be related to:
Continuous muscle growth
Temporary mouth breathing
When should you see a doctor?
It is advisable to consult a healthcare professional if nighttime salivation is accompanied by:
Difficulty breathing