Medically reviewed by Smita Patel, DO Key Takeaways CPAP might not work right away, and feeling better can take several weeks ...

Cold air from your CPAP machine might mean the humidifier is broken. If you snore with a CPAP, you might need to change the pressure setting. Feeling tired with a CPAP could mean the settings need ...

A CPAP machine provides continuous air pressure to keep the airways open during sleep. Doctors may prescribe CPAP therapy to people who experience symptoms of sleep apnea. A continuous positive airway ...