If you use a continuous positive airway pressure (CPAP) machine for obstructive sleep apnea (OSA), you may breathe better at night. But you may also have dry mouth in the morning. Dry mouth is a ...

Use a chin strap with your CPAP machine to keep your mouth closed and prevent dry mouth. If you breathe through your mouth, switch to a full-face CPAP mask that covers both your nose and mouth.

A chin strap is a soft, adjustable band worn around the head and under the chin to keep the mouth closed during sleep. It was originally designed as an accessory for CPAP users to reduce mouth ...