Zombie brain fog

Eurghhhh.
The zombie brain fog has started. I got up nearly two hours ago and so far I have - put a dressing gown on, made a cup of tea, toasted a slice of bread (which I ate two bites of because it tasted rank and I couldn't eat it properly from lack of saliva, nice; so guess today will be standing at that...) sat on a chair, listened to music, said goodbye to my boyfriend and relocated to my bedroom. I can't think straight, everything is a massive effort, I feel really spacey and if I stand up for too long I get dizzy. If I lie down for too long I start to feel really sick.
I had work I needed to do today but I don't think that's going to happen.
I've noticed that I'm getting more anxious and starting to worry and panic about things that would never have bothered me before; last night I lay in bed and was having a panic about cheerleading tomorrow as I don't know the dance and can't do the stunts. It doesn't matter; we've only just started learning them, but still - apparently logic doesn't matter to my brain.
According to my busted scales that I don't trust, I've hit 10stone (140lbs) :) Small positives! Being 134lbs or below before Christmas seems more attainable now. We were going to go to boxercise last night but we got there and the instructor told us it was for people who'd been before only, so we got turned away. Sigh. Circuits on Monday though.