My dad had carpel tunnel surgery a while back. Developed it from years of squeezing an ambu bag during anesthesia.
I always worried from years of ten-key doing accounting and then doing computer work that I would end up with it. I also tend to sleep with an arm up under my pillow. I noticed morning numbness in my hands from sleeping with my wrists bend downward at night. Started doing daily exercises of bending my wrists back, etc.
With all that, instead.. I developed trigger finger in my left hand...primarily my index and middle finger. Doc said that it's likely from years of <alt><tab>ing. Had to have cortisone shots in my hand about 6 weeks ago for it.
go figure.