Snoring is caused by a partial obstruction of your airway. As you fall asleep, muscles in your soft palate, throat and tongue relax.
If those muscles relax too much, they can fall into the back of your throat and partially obstruct your airway. As you breathe, the air passing through the airway causes those.
A new aid breakthrough technology to treat snoring sleep apnea that people will actually use, Purifying air pollution makes breathing easier!