Hankster, maybe he wasn't even able to Sniiiff before the surgery

That may be an improvement too. I'll surely try the cpap if it is the case, before surgery, as a test. In fact it doesn't appeal me that much to sleep with a machine...
rockymtngal I'm really happy for you, little things that do bring big advantages upon easy correction are surely those that bring more happiness.
I'll take an appointment to take a further look into this, at least I may get rid of this doubt (for my case); in the general case it appears (to me at lest) that nasal deviation can have some effect on quality of life and consequently on psychological well-being.