Does 260P make sense for a model #?

So I get the headaches at different times of the day. It does not seem that they occur everyday or at any certain time. I tried to narrow down triggers and I'm having a hard time. They can be on one side of my head at the band area or they can be on both sides and in the back along the band area. I ...

I have been using my CPAP since about March. It has helped me sleep much deeper and I also wake full of energy. My problem is that I get random headaches throughout the day now. Sometimes mild and only lasting 3-5 min. Sometimes more moderate lasting 10-15 min and making me sick feeling. I'm using t...