If you've got a condition called sleep apnea or suspect you might (maybe you keep waking up in the middle of the night or often wake up in the morning with a headache), a continuous positive airway ...

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 ...