Procrastination is the action of delaying or postponing something.
We may procrastinate because a task might be stressful and we prefer to avoid negative emotions - Pleasure Principle.
It's also correlated to time management.
- People tend to delay completing a task to make sure it is done "perfectly" - Perfectionism.
- In a linear culture, people tend to stop doing some task if the time allocated to it has finished.
It may cause anxiety. As the deadline of a procrastinated task grows closer, they are more stressed and anxious and may decide to procrastinate more to avoid this stress.