Take-a-break App actually forces you to take a break in Ubuntu.
How to Install
This app is available in ppa and to install this app in Ubuntu, Mint run below commands from terminal and provide password when prompted.
sudo add-apt-repository ppa:vlijm/takeabreak sudo apt-get update sudo apt-get install takeabreak
After installation, you can find it under application/search in dash.
Drop a comment if you have used it or faced any issues while installing.