Depends on the person. Some people can not turn it off anyway, even with fewer hours, it always feels like you want get as much done about your projects as possible, as quickly as possible or it is kind of eating your soul and you can not relax anyway.

I would prefer a shorter period of intensive work, then no responsibilities at all, compared to some responsibilities always.

Oh, but burnouts are not the reason why I take breaks. I feel it's the other way around, I take a break from "chilling" when I'm too bored and/or money is running low.

I have burned out in the past and it had to do with other factors; anxiety, low income, ...