Try this: Pick one task or project. Just one. Do a little bit of it every day, at about the same time of day. Take a break after you've worked on it for a while. If you feel like it, do something different later.

Tasks tend to be one of three types: Recurring (e.g. doing the dishes), short once-and-done (e.g. hanging up a picture, making an appointment over the phone) and large projects (e.g. writing a thesis, major home repairs). I've found it's best to have only one large project active at a time, but you can knock off small stuff whenever you feel like it. Recurring things just have to be made into habits.

And early is better than late. Willpower tends to fade over the course of the day.