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CPAP machines: Tips for avoiding 10 common problems

8. Dry mouth

If you breathe through your mouth at night or sleep with your mouth open, some CPAP machines may worsen dry mouth. Air leaks also can cause dry mouth. A chin strap may help keep your mouth closed and reduce the air leak if you wear a nasal mask.

A full-face mask covering your mouth and nose may keep your mouth from becoming dry. A CPAP heated humidifier that attaches to the air pressure machine and a heated tube also may help. Ask your care team about special mouthwashes, gels and sprays designed to keep your mouth moist.