A CPAP machine is a medical device often recommended to folks who have sleep apnea or other disruptive sleep conditions. Wearers place a mask over their nose and mouth to deliver a continuous stream ...
Medically reviewed by Sanja Jelic, MD Key Takeaways Cold air from the CPAP machine can mean the humidifier isn't working ...
Research suggests that CPAP may improve headaches in some people with sleep apnea. But some people may develop headaches if their CPAP mask is too tight, if they develop nasal congestion, or if CPAP ...