Waking up in the middle of the night with a dry and uncomfortable mouth is a common experience. Many people dismiss it as a minor inconvenience, often blaming dehydration or sleep problems. However, persistent dry mouth at night—also known as nocturnal xerostomia—can sometimes signal underlying health problems.
Understanding the possible causes can help you take early action and protect your overall well-being. While occasional dry mouth is normal, chronic symptoms require attention. Below is a comprehensive guide to the causes of discomfort and when to seek professional help.
Article in Brief
: Condition: Nocturnal xerostomia (dry mouth at night)
Main cause: Reduced saliva production during sleep
Main risks: Tooth decay, gum disease, oral infections, sleep disorders
Common triggers: Dehydration, mouth breathing, medications, sleep apnea, diabetes
