CPAP causes a sense of suffocation, nasal congestion, face masks are weakly effective while nose masks often run into the issue of switching to mouth breathing

CPAP causes a sense of suffocation, nasal congestion, face masks are weakly effective while nose masks often run into the issue of switching to mouth breathing during resistance. It also prevents total airway collapse but not increases in effort. Basically it's way less effective than people assume, while introducing its own sleep disruption