Snoring is a result of partial blocking of the upper airway. During sleep muscles relax, including those that control the tongue and throat. The soft tissue (or flesh) at the back of the throat can sag, narrowing the airway. Incoming air then makes the tissue at the rear roof of the mouth (the soft palate), the flap of skin hanging from the palate (uvula) and the throat vibrate – a sound known as snoring.
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