I’m sure it has occurred to you to try CPAP; was it ruled out by your pulmonologist? If the pressure is incorrect enough to wake you up gasping, “it ain’t worki

I’m sure it has occurred to you to try CPAP; was it ruled out by your pulmonologist? If the pressure is incorrect enough to wake you up gasping, “it ain’t workin’”. As a CPAP user, being able to access the hidden control menu for my device was key: it allowed me to change the pressure, the ramp, and other runtime configuration that really improved my experience - which improved my compliance and thus my energy level (and that small thing of not being at risk of sleep-death!). You have to press a certain combo of buttons to access, maybe your APAP has something similar?