Sleep at night dry mouth is yin or yang deficiency

If

the patient's tongue image shows teeth marks on the tongue, thin tongue coating, accompanied by dizziness, tinnitus, insomnia, dreaminess, redness of cheeks and other symptoms, then it is yin deficiency. Yin deficiency will reduce yin fluid in the body, resulting in vigorous yang qi, affecting oral gland secretion, thus causing dry mouth at night. If the patient's tongue image shows hypertrophy of the tongue, white tongue coating, accompanied by cold limbs, fatigue, low back pain, clear urine and other symptoms, then it is yang deficiency. Yang deficiency will lead to yang weakness, so that the body water imbalance, unable to moisten the oral mucosa, thus causing the above symptoms.