Work after one night of insomnia is more possible and less horrid than you fear, but a gentle knock-on effect does tend to last two or three days.

*warm thoughts*
*wills you comfort food, drinks and gentle conversation*
*neutralises stomach*

Awww, thanks! Oddly enough, I'm in a good mood today for the first time in over a week and work isn't too horrid so far, but I fear I may just be punchy. LOL