I get that kind of disorientation all the time; have for over 20 years. it is the most frustrating part of getting treatment. No one has ever been able to lift that fog. I was frantic about it the first year or so. I saw a neurologist and had brain scans; I have tried all sorts of meds and relaxation/meditation, etc. After a couple of years I got less frantic; if it was some kind of tumor or brain disease I figured I would have died already. Sometimes I worry that I caused it from using so many drugs in my teens and early twenties. I have a real problem with time periods. I think things that happened ten years ago happened a few months ago. It does dawn on me that I am wrong when I think about it more. I confuse contexts like you describe also. I don't do this stuff constantly or I would not be able to function. but it happens a lot. One of the dangers to my sobriety is that I could forget that I don't drink long enough to have a couple. Not much help, I know.