Aerophagia, swallowing air on CPAP, can cause bloating; pressure tweaks, ramp use

https://www.scribd.com/document/997941580/How-a-Sleep-Apnea-Oral-Appliance-Is-Fitted-Step-by-Step-Overview-207415

Aerophagia, swallowing air on CPAP, can cause bloating; pressure tweaks, ramp use, or switching to bilevel can relieve gastrointestinal discomfort.