Morning Mouth Explained: What Happens to Your Teeth While You Sleep

If you’ve ever woken up with bad breath or a fuzzy feeling on your teeth, you’ve experienced what’s commonly known as “morning mouth.” While it’s completely normal, morning mouth is a sign that important changes are happening in your mouth while you sleep. Why Morning Breath Happens During the day, saliva helps wash away food particles and neutralize bacteria. At night, saliva production naturally decreases. This dry environment allows bacteria to multiply more easily, especially the bacteria responsible for sulfur compounds that cause bad breath. With less saliva to keep things balanced, odor-causing bacteria can thrive until you wake up and