Lovely night last night, I went to bed around midnight and fell asleep, DP has an awful habit of staying up really late to do work (he works from home and runs his own business) and I woke up at 4am to him getting into bed finally. He drank a little last night too so obviously that can contribute to the moodiness the next day but he's like it every morning! Always says he can't stand talking to me first thing and even berated me this morning for making him a coffee (as I thought he may be hungover). He wakes up at 8.30am (or earlier) every day to walk the dog so he's usually running on like 4hrs sleep.
It's strange because he suddenly snaps out of it mid morning but whenever it's early/he's tired he's just a completely different person.