An additional benefit is that it greatly reduces dry mouth.
Its fully adjustable so you don t need to worry about purchasing different sizes or the strap to feel to loose or to tight! This can actually worsen the sleep apnea and therefore doctors advise sleep apnea patients who sleep with the mouth open to use a chin strap in combination with CPAP therapy. the air entering your throat through the mask escapes out of the mouth and does not perform the intended function of keeping the airways open.