I get irritable and angry and have a very short concentration span. The first few hours are bad, as I am still getting over my tablets from the night before (including decent strength sleeping tabs). Around lunch I am most productive, but then then to slip back into a depressive phase.
I have however been working full time for around 5 or 6 years now, but battling more and more as the days go by. I am seeing my p-doc tomorrow, and ask her how I should handle those days where I can't really work as I just want to go home and curl up in bed.
Like I mentioned in another post - my saving grace is that I'm hardly supervised at work, and as long as my output seems reasonable, I get by