[danenania]

I think it comes down to framing and the vibe you project when you talk about it. Realistically, while the people interviewing you may be sympathetic on a human level to issues of burnout, mental health, etc., they are also going to be asking themselves whether it could happen again, which would make them look bad for taking a chance on you.

If it were me, I would just say I was taking time to explore the world and have fun, or work on non-tech projects, or read a lot of books, or something like that, but have now decided to it's time to buckle down and focus on career. Put a positive spin on it, in other words. Most people have dreams of doing those kinds of thing, so they're less likely to hold it against you, whereas anything that hints at you being difficult/high maintenance could get their guard up.