Nasal problems, such as chronic congestion, allergies, a deviated septum, or nasal polyps, may all cause snoring.
Nasal problems, including allergies, infections, and a deviated nasal septum, can cause blocked airways and make breathing more difficult.
Repairing a deviated septum can clear the nasal passage.
Napoleon, in making the road over the Simplon, deviated from the straight line in order to leave it standing.
There may be or may not be an unbalanced component in this pressure, due to the deviated motion.