I was working away on the dataset system (you try programming a chi-square answer setup when you don't really know it does) and the head of department dropped by to pick up some blank forms (I hold the stock of this form). I thought it was 3pm or so, it was actually just gone 5pm. I could have easily carried on - not much happening on an evening for me so I wouldn't miss much anyway.
Maybe I'll have a good nights sleep, probably not - but I'm past caring. At least I don't have to get up so I may get one. As long as nobody phones, or anything else suddenly appears.
Thats life, and we have to deal with it - although I think I want to replace my hand.