What is Parkinson's law?

Parkinson's Law states that "work expands to fill the time available for its completion." This means that if too much time is allocated for a task, the task will stretch to fill that entire period, even if it could be completed more quickly.

In project management, it is important to consider this when planning deadlines to avoid unnecessary delays and inefficient use of resources. The optimal approach is to set realistic but not excessively long deadlines that encourage effective work.