When you have a fever, your body temperature rises, and you naturally lose more fluids. This often causes dry mouth and a burning sensation.
Drinking water and reducing fever with medication or rest can help relieve these symptoms.
8. Hyperthyroidism
An overactive thyroid speeds up the body’s metabolism, increasing the need for fluids and overstimulating the nervous system.
This can result in excessive dryness in the mouth during the night.
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If you regularly experience dry mouth at night, consider evaluating your diet, hydration habits, and oral hygiene. If the issue persists, it’s best to consult a doctor to rule out any serious medical conditions.
This condition tends to occur more often in the second half of the night and could stem from a variety of causes. Below are eight common factors that may contribute to dry mouth while sleeping.
1. Digestive Issues
Eating certain types of food before bed—especially greasy, spicy, or salty foods—can irritate the digestive system. These foods absorb water and increase fat and blood pressure levels, which disrupt digestion during the night.
As your body continues to digest the food while you sleep, it pulls water from your system, leading to a dry sensation in your mouth.
2. Liver Problems
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