When Time Influences Our Behavior: What Student Syndrome and Parkinson’s Law Can Teach Us

When I was preparing for the Project Management Professional (PMP)® certification about two decades ago, I came across two curious concepts that stayed with me: Student Syndrome and Parkinson’s Law.

Although they are often discussed in the context of project management, both describe behaviors that are easy to recognize in our professional lives — and outside of work as well.

Why is it that, when faced with a “comfortable” deadline, we so often postpone a task until it becomes urgent? And why do some activities seem to occupy exactly all the time available, even when they could have been completed earlier?

Understanding these behaviors matters not only to project and team managers, but to anyone who needs to manage commitments, priorities, and deliverables.

Student Syndrome: when “there is still plenty of time”

The name itself is quite suggestive.

Imagine a student who has two weeks to complete an assignment. During the first few days, the deadline feels far away. Plenty of time seems to remain. Other demands take priority. Sometimes you even feel that familiar reluctance to dive into the work right away. You may organize a few ideas or begin some initial research, but you postpone the real effort.

Until the deadline gets closer.

Suddenly, something that could have been developed gradually must be completed under pressure—desperation, sweat, and tears.

That is the essence of Student Syndrome: when an apparently comfortable amount of time is available, we tend to delay the effective start — or most of the effort — until the approaching deadline creates a sense of urgency.

The unfortunate part is that students are not the only ones who do this.

Several factors may contribute to this behavior. Below, I reflect on two of them.

The false sense that “everything is under control”

Without a clear view of the work required and of actual progress, it is easy to believe that there is still enough time.

This becomes especially challenging in knowledge-based work, where measuring progress is not always straightforward.

Someone may say that a task is “75% complete.” But what does that really mean?

The remaining 25% may include precisely the most complex part, requiring more effort and more time: integrating information, resolving inconsistencies, obtaining approval, or depending on someone who may not be immediately available.

And, of course, this is often exactly when unexpected issues arise — that familiar feeling that, when we least need another problem, something suddenly refuses to go according to plan.

Subjective perceptions of progress can therefore create a dangerous sense of security.

Procrastination

Another possible factor is procrastination—which should not be confused with laziness or lack of commitment.

I recently heard a very relevant reflection on this behavior: competent, responsible, and highly self-demanding people procrastinate too.

A task may be postponed because it feels unpleasant, complex, or ambiguous. It may trigger uncomfortable emotions: insecurity, fear of failure, or even doubts about our own ability to complete it properly.

In that case, postponing the task temporarily reduces the discomfort. The problem is that the discomfort returns later, now accompanied by another element: urgency.

And inevitably, new negative emotions may be added to the previous ones: anxiety, rushing, and that uncomfortable sense that everything now needs to happen at once.

And what is the risk?

When we leave work until close to the deadline, we eliminate our room to react — precisely the safety margin that could help us deal with uncertainties and risks. An unexpected problem, incomplete information, unavailable resources, or an external dependency may be enough to compromise the delivery.

The consequences may affect not only the schedule, but also quality, scope reduction, or simply the need to mobilize other people at the last minute to solve something that could have been handled more calmly.

Working continuously under pressure and urgency also comes at a cost: increased stress, a higher likelihood of mistakes, and conflicts with people who depend on that delivery.

Parkinson’s Law: when work fills all the time available

Parkinson’s Law describes another curious behavior:

work tends to expand to fill the time available to complete it.

Imagine a task that could reasonably be completed in four days, but for which twenty days have been allocated.

That does not mean we will necessarily use all twenty days. I argue that very few people have the privilege of focusing on a single task for that long. But having abundant time can encourage exactly this effect: every time we return our attention to a deliverable, there seems to be yet another opportunity to improve it.

Perhaps we work on it in fragments. Perhaps we revise it repeatedly. Perhaps we add improvements that aren't necessary and make little meaningful difference to the person receiving the deliverable. Or perhaps we operate in multitasking mode, allowing other activities to take over our attention and making the task progress in tiny doses throughout the entire period.

Several conditions may encourage this phenomenon, including:

Multitasking and constant shifts in focus

In environments where being busy with many things at once is mistaken for productivity, a task may take longer simply because it never receives sustained attention.

We interrupt an analysis to answer a message. We join a meeting. We return to the document. Another urgent issue appears. Then we have to remember where we stopped, reconstruct our reasoning, and resume the work.

We lose time and energy every time we restart.

Every context switch has a cost.

The problem, therefore, is not always the total number of hours devoted to the task, but the fragmentation of those hours.

Perfectionism

Some pieces of work also never seem quite finished.

With every review, we find another sentence to improve, another chart to add to a presentation, another feature to refine, another visual adjustment to make, or another example to include.

Some of these improvements do, in fact, add value to the outcome.

Others do not.

The challenge is recognizing the point at which the added benefit no longer justifies the effort required.

In projects, a related but conceptually different phenomenon is gold plating. This means adding features or characteristics to a deliverable that were not requested or agreed upon.

The intention may be positive: to surprise the client or offer something “extra.” But delivering more does not necessarily mean delivering more value. Those additional elements may even create new implications, risks, conflicts, and discussions that did not previously exist.

Two behaviors, the same margin consumed

It is interesting to look at the dynamics of these two behaviors together.

With Student Syndrome, we think:

“I have plenty of time. I can start later.”

With Parkinson’s Law:

“I have plenty of time. I can keep working on this.”

In one case, we consume the margin before the work truly gains momentum.

In the other, we may consume it relentlessly during execution.

The result, however, may be similar: a buffer originally available to handle uncertainty disappears without necessarily being used to generate more value.

How can we deal with this?

Simply shortening every deadline may create even bigger problems.

A few practices can help:

• break larger deliverables into smaller pieces, creating opportunities to assess real progress throughout the available time;

• establish intermediate milestones, rather than relying exclusively on the final deadline, creating execution commitments along the way;

• make work visible, avoiding subjective assessments such as “it is almost done”;

• limit simultaneous work, encouraging focus and completion before new activities are started;

• define clearly what “done” means, avoiding endless cycles of refinement — including in self-initiated work without an external client;

• validate deliverables earlier, allowing learning and corrections before all the effort has been consumed;

• manage buffers and contingencies consciously, preserving them for the risks and uncertainties that will inevitably arise.

  
  

Above all, recognize that these behaviors are not problems that belong only to “other people.” We can fall into these traps too, consciously or unconsciously.

From time to time, I catch myself reproducing behaviors associated with Student Syndrome or Parkinson’s Law.

And perhaps that is the greatest value of knowing these concepts: they name behaviors related to how we use time that might otherwise go unnoticed.

That awareness helps us recognize these behaviors when they emerge, investigate their causes, and make adjustments while there is still time — encouraging more conscious choices about where we focus our energy, how much effort we devote to an activity, and how we honor the commitments we make.

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