November 26, 2025

8 Surprising Reasons Your Mouth Feels Dry at Night

Waking up with a dry mouth can be more than just annoying—it might signal something off in your body. Many people ignore it, but understanding the causes can improve both your sleep and overall health.

  1. Digestive Issues – Eating oily, spicy, or salty foods before bed can disrupt digestion and pull water from your body, leaving your mouth dry.

  2. Liver Problems – Your liver detoxifies your body while you sleep. If it’s struggling, dryness can be an early warning sign.

  3. Dehydration – Not drinking enough water during the day means your body is low on fluids at night, causing dryness.

  4. Oral Diseases – Cavities, gum disease, or infections allow harmful bacteria to build up overnight, making your mouth feel parched.

Tip: Pay attention to your diet, hydration, and oral care to prevent morning dryness.

Read Part 2