Anyone else suffer from major brain fog? I used to be really quick, could learn very quickly and retain a lot of info. I feel unrecognisable now. I can't retain anything for more than five minutes, often struggle to have conversation as I can't concentrate, feel mentally fatigued all the time, want to sleep all the time even when I get a solid 7/8 hours. I just KNOW this isn't normal and am wondering if anyone else is similar? Considering asking docs for blood work but not sure they'll oblige