Mouth Breathing

Approximately half of all adults experience dry mouth upon waking. An estimated 25% to 50% of the population breathes chronically through the mouth. Waking up with a dry mouth is a clear indicator that mouth breathing occurred during sleep. Mouth breathing shifts air intake into the upper chest, which is less efficient and may promote sympathetic stress activation. Mouth breathing causes excessive carbon dioxide loss. Chronic nasal congestion forces mouth breathing, which significantly impairs sleep quality. The article says mouth breathing may feel like deeper air intake while still preventing oxygen transfer from the lungs into the bloodstream. Mouth breathing disrupts the respiratory gas balance maintained by nasal breathing. Mouth breathing during sleep dries the oral environment and increases acidity, creating conditions favorable to cavities. Forced mouth breathing over 10 days raised blood pressure by about 15 to 20 points, reaching stage 2 hypertension. Snoring and sleep apnea appeared within days of forced nasal occlusion in a self-experiment. Deep mouth breathing before high-stress events can cause lightheadedness and impair cognitive performance rather than calming the…