Daytime mouth is not bitter at night sleep mouth bitter may be physiological dry mouth, pathologic dry mouth, oral mucosa disease, etc..
1. Physiological dry mouth: sleep at night bitter mouth may be due to the oral salivary secretion decrease, and daytime can be timely supplemental water relief.
2. Pathological dry mouth: oral dryness syndrome, open-mouth breathing, systemic diseases and other causes of pathological dry mouth, may also cause the daytime mouth is not bitter at night to sleep bitter mouth.
3. Oral mucous membrane disease: oral mucous membrane lichen planus, burning mouth syndrome may also be manifested in the night sleep bitter mouth.
The daytime mouth is not bitter at night sleep bitter mouth may also have other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.