Why Do I Wake up with a Sore Throat Every Morning?
Medically reviewed by Linda Girgis | MD, Girgis Family Medicine on August 22nd, 2026.
Morning sore throats typically result from mouth breathing during sleep, causing throat tissues to dry out and become irritated. Sleep position, seasonal allergies, and dry indoor air are the most common culprits. Studies show that 60% of people who sleep with their mouth open experience morning throat discomfort. Other factors include acid reflux, which affects 20% of adults and can cause stomach acid to reach the throat overnight. Poor air quality, dust mites in bedding, or sleeping with pets can also trigger irritation. Using a humidifier, elevating your head while sleeping, and staying hydrated before bed often provide relief.
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