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The model of machine you have is largely irrelevant. However, if it makes you feel better, the DreamStation is a very good device.
Yes, the AirSense 10 does have an Auto setting for humidification. Or at least the ones I use do and I am unaware of a variant which doesn't. When you are in the screen which allows you to adjust the humidification level, just turn it up to max and then one more turn will get you to auto.
To answer a question in your original post "-Can someone have SA without the classic symptoms ad not realize it?" Yes. Research consistently finds that a small but significant proportion of people with OSA do not display any of the normal symptoms.
Also, there is nothing to lose in having a proper in-lab sleep study to confirm this diagnosis. It can only give you more information to go on.
Sorry, I don;t know what it was. Could have been anything. We always try to turn off ALL of the beeps, but on some machines you just can't.
Like Wiredgeorge says, it's very much a case of suck it and see. There is far too much individual variation to make a prediction about exactly how you will respond.
Just a tiny bit of air seeping between your apparently-closed lips is enough to cause the kind of symptoms you report. Start with that as your first point of attack.
Probably just a silent leak that isn't bothering you.
The machine does subtract an amount from the leak rate which to allow for the intentional leak out of the exhalation port. However this amount is simply an arbitrary number which is preset in the software. Since you are using a ResMed mask is should be close-ish to correct but I don't know for sure. In short 11 is not a big leak rate, even on an AirSense. It is not enough to impair the function of the machine. If you are comfortable and your AHI is still low you don't need to worry about it.
I would not advise turning EPR on without some technical support. When you turn on EPR you are effectively lowering you CPAP pressure which can be enough to allow your airway to obstruct. Another problem is that the slight pressure fluctuation can be enough to hyperventilate you and induce Cheyne-Stokes respiration, which is a form of central sleep apnoea. EPR should be used with great caution.
They can. It is impossible to say whether or not they would work for you specifically without actually trying them, but they can. The Respironics DreamWear with intranasal prongs is pretty good too.
