Many years ago, when I was just starting my career as a daily newspaper reporter for pay, my youthful colleague and I had a remedy for the occasional feelings of burnout we all experienced.
We would call in sick when we weren't, you know, really sick. We called this, with a wink among ourselves, "taking a mental health day."
Imagine my surprise to discover that I was decades ahead of the times. What I was doing then was "quiet quitting."