Thirded.

I've found knowing indicators useful for managing stress, too. I'm sometimes terrible at knowing when I'm stressed, so I also pay attention to whether I'm getting headaches when other people aren't (meaning it's not just the weather), and whether I'm checking for bugs in the house more than usual.

The symptoms known in the medical community but not outside it is something I hadn't thought about before, but it sounds very interesting.

Stress management might also tie in with akrasia, to some extent - some people procrastinate because thinking about the work is stressful.