Continuous positive airway pressure (CPAP) therapy is a common treatment for obstructive sleep apnea. A CPAP machine uses a hose and mask or nosepiece to deliver constant and steady air pressure.

Long haul trucker Bob Stanton has been using a CPAP machine for 14 years. He is on the road three to four weeks at a time, and, in addition to driving, Stanton works for Dedicated Sleep, an Oregon ...

Medically reviewed by Sanja Jelic, MD Key Takeaways Cold air from the CPAP machine can mean the humidifier isn't working ...