Sleeping on one’s back. In this position, gravity withdraws both jaw and tongue downwards. This causes a mouth opening, a tongue lowering toward airways and a shrinkage of air path. 60% of snorers snore by the fact of lying on their back.Difficulties with nasal breathing
. Breathing through your nose is the best way to admit air in lungs, compared to breathing between your lips. Allergies, pregnancy, the cold, can rustle blood vessels in the nasal area leading to a nasal congestion or a lack of air. The result is a mouth opening and due to that an increased resistance to air intake. Obesity.
Excessive weight, too much fat in the vicinity of neck and throat induce an extension or an increased pressure on tissues surrounding air passage. Airways are consequently shrinked. Obesity is a significant factor to snoring ability.