It is fairly common for people with obstructive sleep apnea to breathe through their mouths. Since continuous positive airway ...

This built-in feature is often recommended because non-humidified air from a CPAP machine can cause sneezing, throat irritation, dry mouth, and cracked nasal passages. A heater humidifier is often ...

You can also use the heated humidifier that comes with some CPAP machines. The humidifier moistens the air, and helps keep your nose and mouth from ... an annoying case of dry eye.