I sit up in bed against a backrest pillow, with my laptop in my lap. I don't have a mouse. I program with vim and use keyboard shortcuts in other apps as much a

I sit up in bed against a backrest pillow, with my laptop in my lap. I don't have a mouse. I program with vim and use keyboard shortcuts in other apps as much as possible. I have been doing this for years. I don't have problems with my back or wrists like I did years ago in an office, even though I had an office chair, desk, and keyboard drawer.