As far as innovations in CPAP industry, from my perspective, machines like the AirCurve family are already more advanced than what is needed for the average user. That is especially true if you discount the special needs users, which, are becoming in the minority.
PR has machines that mirror or immaculate ResMed machines.
The Bluetooth BPM and accelerometer data I spoke about earlier is on the way and I could also easily see body temperature included.
By adding another strap across the forehead (best place for it also) this data would be collected. Or, the wrist approach may continue to be used.
The industry might create this as a stand alone at first where the data is collected separately or outside of the machine data, but collecting/offering it to medical professionals is needed.
Sleep quality is becoming accepted as a real health concern as opposed to only increasing SP02.
Obviously, 5 years ago, ResMed saw this with the advent of the EasyBreath system (That really does work). I have been on a PR Fixed BiPap and have been experimenting with a AirCurve 10 VAuto and that is like going from a flip phone to a smartphone.
Now, people are going outside the CPAP makers to 3rd party providers of BPM, SP02 and accelerometer data that is not specifically designed for CPAP users. I can see that changing.