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 ...

Cold air from the CPAP machine can mean the humidifier isn't working right. Snoring with a CPAP on might mean the pressure needs to be adjusted. Feeling worse or tired with a CPAP might mean its ...