What is the cause of dry mouth and bad breath when sleeping at night?

Sleep dry mouth, bitter mouth, halitosis may be related to poor oral hygiene, reflux esophagitis, diabetes and other factors.

1, poor oral hygiene

after dinner without brushing or gargle, can lead to food residues remain in the mouth, after oral bacteria fermentation, will appear at night sleep dry mouth, bitter mouth, halitosis phenomenon.

2, reflux esophagitis

reflux esophagitis patients sleep at night when the body is lying flat state, easy to cause stomach contents reflux to the mouth, causing dry mouth, bitter mouth, halitosis.

3, diabetes

patients if blood sugar control is not good, can cause osmotic diuresis, so that a lot of water in the body with urine excretion, causing dry mouth. If the patient has diabetic ketoacidosis, it will also lead to bitter mouth, halitosis.