I have re-discovered some books in my library.
Dr. David Kundtz penned this in 1998, Stopping--How to Be Still When You Have to Keep Going.
According to Kundtz, stopping has three levels:
Stillpoints – stopping quickly and doing nothing for just a moment
Stopovers – this level is an hour to several days. In this level, you have the feeling that you have been away and have had a mini vacation for the soul
Grinding Halts – will probably happen only happen a couple of times in most people’s lives. They are times from a week to a month...