Last night I did my first night shift, 6.30 pm to 6.30 am. I got to bed at 7.30 am and have only just surfaced.
I last worked 'proper' nights (rather than just stupidly late or early day shifts) when I was about 21. It seemed easier then. No doubt I will get used to it.
But for now ... bloody hell.
(The new job, for anyone that is interested, is back with my old employees - a large tourism operation - and I am a Security Supervisor. It's a lot less money than the last job, but also a lot less stress, and I think it could be quite good fun. I'll let you know.)