Wake up at some ungodly hour, go to mass, once again find self incapable of believing that I was guilted into doing it again this year even though I specifically stated I didn't want to go. Go home, have visitors over and several glasses of wine. Eat dinner, more wine, spend next few hours playing games/ watching TV/ watching a movie etc. Eat several helpings of christmas pudding that has been drowned in brandy, sit by the fire digesting it, more games/ TV/ whatever, and then finally bed.
I'm incredibly organised, as you may have guessed.