Snoring is the act of breathing through the open mouth in such a way as to cause a vibration of the uvula and soft palate[?], thus giving rise to a sound which may vary from a soft noise to a loud unpleasant sound.
Snoring is usually an involuntary act during sleep, but may also be produced voluntarily.
... of articulation:
Velar (soft palate[?]) (k, kh, g, gh, n as in ing)
Palatal (hard palate[?]) (c, ch, j, jh, ~n)
Retroflex[?] (roughly the place of articulation of ...