I've just done a string of 12-hour night shifts, and my body clock has gone haywire. I got up at 10 am yesterday, hoping to be tired enough to sleep last night, as I had a day shift starting at 6 this morning.
I went to bed at 11 pm and set the alarm for 5 am. I lay awake until 2 am, then got up for a cup of tea. Back to bed at 3 am, and lay until the alarm went. I have now been awake for 30 hours. That's the first time I have spent a night with absolutely no sleep at all since I was a student. These things were normal then.
I expected to be completely useless today (well, more than usual) but in fact I have got a second wind and I feel fine, if a little disconnected from reality. I hope I can sleep tonight, as I have another day shift tomorrow, followed by ... nights again. Bugger.
If there's been a lack of quality blogposts recently, this is why.