A shallow or irregular breathing pattern caused by stress can disrupt the balance of oxygen and carbon dioxide in the body. (urbanclinic.wordpress.com)
But since many of us develop irregular breathing habits over the years, it is good to practice breathing with awareness, in order to undo some those wrong habits. (yogicwayoflife.com)
Keep in mind that all babies have somewhat irregular breathing in their first weeks of life. (babycenter.com)