noun
Cpap - Continuous Positive Airway Pressure, a medical device used to treat sleep apnea by delivering a continuous flow of air to keep the airway open
The patient was prescribed a CPAP machine to help with their sleep apnea.
I can't sleep without my CPAP machine anymore.
I swear by my CPAP for a good night's sleep.
Using a CPAP feels like breathing in fresh air all night long.