I Spent 5 Years Studying Burnout: Here's 10 Questions You Should Ask Yourself

Lol, C'mon, it takes less than 2 min to skim through it.

1) Do you know the author's education is in Organizational Psychology and he's been reading academic articles about burnout and high performance teams pretty much everyday as his life? (disclosure: I am the author, haha)

Yes, the source of stress matters. I don't know a lot about the context of your question but just wanted to add that most companies offer Employee and Family Assistance Programs that covers counseling which can be an effective way of figuring out what to do about the non-work stressors.