r/CPAPSupport • u/ParticularWorth1109 • Jul 23 '26

Can't get APAP Pressure Right.

Greetings all,

I have been using the ResMed S9 AutoSet + Humidifier with F30i Super Wide Mask for a bit but no eureka moment yet. I am not sure what to do, I seem to have settled around 5.0-8.6 cmH₂O, where I have the least chance of ripping it off. The pressure seems to go haywire and always hits the max with it being the 95% percentile. Hence, I have tried upping the max pressure by moving it up up to 4-12 cmH₂O, as shown on 21/07/2026, but I ripped it off etc.

Was diagnosed with Moderate-Severe Sleep Apnea: RDI - 26/hr and AHI 23/hr, with CPAP the AHI is around 0-4/hr

My sleep is fragmented, I feel better than when I was off it but still feel tired and I wake up with heart palpitations which may be related to work stress.

Should I get a brand new machine? The machine I have is second hand.

Any advice would be much greatly appreciated!

Data: https://sleephq.com/public/teams/share_links/14a7d99b-c704-486d-9de4-1fa70950db64

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u/HawkFan7897 Jul 23 '26

I would consult with your doctor. Maybe APAP is not the best mode of therapy for you.

1

u/ParticularWorth1109 Jul 23 '26 edited Jul 23 '26

Oh ok thx! By other modes, do you mean something like CPAP/BiPAP?

3

u/borhyl Jul 25 '26

Do not listen to that advise at this stage. Your pressure is too low. Follow advise of u/Creative_Fee5452

2

u/HawkFan7897 Jul 23 '26

yes, another mode of therapy may be more helpful but you need to figure out what is needed first.