Recommendations for a personal goal "tracking system"

I'm working on a self improvement project and am looking for some kind of tracking system I can adapt for my purposes. The closest I immediately imagine is some kind of sleep quality logging app, for people who are trying to build better habits in order to combat insomnia. (Come to think of it, I could use that too.) I would like to keep track of:

- how I feel like I did today, or even how I'm doing right this instant
- what actions I have taken recently
- what external factors have happened recently

Then I'd like to correlate the second two with the first one. (In the case of a sleep quality goal, I can imagine wanting to graph over the past four weeks how well did I sleep when I ate dinner within a half hour of bedtime. That kind of thing.)

Anyone know of an app like this?

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Organ Stop Pizza