What are the methods of organizing working hours on Ubuntu?

Question

Time Management

On mac, there is a wonderful Breaktime application that allows you to set work and break times for your PC. I really want to find a similar alternative on Ubuntu. Attempts were made to do this, which were unsuccessful. So: who has any methods to ensure the organization of work and leisure on Ubuntu through any applications or the like?

Answer 1

cron

Answer 2

Brain.