New CPAP user serious Issue with feelings of depression and anxiety

Topermite says dosing is based on weight. Since
You've lost a lot of weight maybe the dosing needs to be adjusted?

I've lost over 25 lbs just being on my bilevel since October. My body not fighting for air all the time has helped me to have the energy to exercise more. My endocrinologist has been able to adjust my thyroid meds down somewhat.