Honestly, I think about what a crappy time my SO is having at work and that motivates me to clean/cook/bake. I used to hate coming home to a messy house when I worked. I like to do something that makes him appreciate me being home so I can hopefully talk him into letting me SAH when my mat leave is over (He thinks kids do just fine in daycare
Before ds was born I'd get up, shower and get dressed in something that wasn't pajamas, and then write my to do list. That way I started out with a plan for the day.
I don't get the shower anymore, and my list mostly consists of dishes, dinner and tidy enough that it doesn't look like the apartment exploded, but I'm hoping to get back to the other stuff when ds is a little older
If there's anything that REALLY needs to get done that day, I do it first thing in the morning. When noon hits, I'm officially out of steam for the day, even if I haven't done anything yet.