Why Your CPAP Mask Choice Matters More Than You Think For people living with sleep apnea, CPAP therapy is one of the most effective treatments available. But even the best CPAP machine cannot deliver optimal results if the mask you are using does not fit correctly or suit your sleeping style. Mask discomfort is one of the most common reasons people abandon CPAP therapy altogether — and that abandonment has real health consequences. Choosing the right CPAP mask is not a minor detail. It is the difference between therapy that actually works and equipment that sits unused on your nightstand....