See my prior post. UPPP (and all parts of UPPP) are really inadvisable. Find a sleep doctor who keeps up with the latest research. The *only* surgery a person should even consider is the advancement surgery, at least according to research I have done.
But, as far as CPAP goes: there was a big study that came out recently which confirmed what my cardiologist told me off-the-record. CPAP (and other positive airway devices) may reduce snoring, and reduce patient sleeplessness, they have no appreciable effect on any of the apnea-related issues, including cardiac issues.
Once again, find a doctor who really keeps up with this changing field. Many doctors will simply prescribe CPAP as a matter of course, but there is a real question as to whether this is really effective.
What really matters is whether the sleep interruptions actually matter. Ideally, humans should sleep 4+4 or 3+3 depending on age, not 6,7 or 8.
So, if a person is just getting up to urinate and staying up for long enough for body functions to resume, one should not treat the sleep interruption. On the other hand, if one is waking up gasping for air several times, it is a problem.