Late Night

Had a late night last night. Couldn't sleep so at 11:00 I went down and did work until about 2:00 am this morning. Even then I couldn't sleep. I know I am always saying that family needs to come first and you need to shut off at night, but every once in a while I need to do something like this. Do you find that also? My mind won't shut off at night and instead of just laying there in bed I might as well be productive. I find that I get so much done when I do this and it clears my mind as well. I am usually a morning person, but sometimes night works as well for me (not for writting or creative thinking, but just paperwork). I need to feel like I am caught up at least once in while to let me really relax.