2. Mechanics

The sound of snoring is produced by vibrations. The throat opens and closes during inhalation and exhalation, and tissues vibrate as air passes through. Muscles in the throat relax during sleep, and the tongue falls backward. This narrows the air passage and increases vibration. Snoring becomes louder in proportion to increasing vibrations. Apnea, a cessation or pause in breathing, occurs when muscles in the throat collapse completely.

mechanics snore nemke / Getty Images


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