Why Certain Tasks Drain You More Than Others at Work
Some tasks drain you more than their time or difficulty would suggest because they are not just extra work. They are work that falls outside your role, or work that should not need to exist at all. Research on what psychologists call illegitimate tasks finds this kind of work is one of the strongest predictors of burnout among everything studied, stronger even than the raw size of a person's workload.
If you have ever finished something small and felt more depleted than after a genuinely demanding project, this research gives that feeling a name, and gives you a practical way to sort what is actually happening.
What Researchers Actually Mean by “Illegitimate Tasks”
Illegitimate tasks are assignments that fall outside what a reasonable person would expect to be part of a given job. Occupational psychologists studying workplace stress split them into two types.
Unreasonable tasks are activities that fall outside a specific person's professional role, things that are not really theirs to do given their actual job. Unnecessary tasks are activities that arguably should not exist for anyone, usually because a process, a system, or a piece of planning failed somewhere upstream, like manually re-entering the same information into two systems that were never set up to talk to each other.
Psychologist Norbert Semmer and colleagues describe why these tasks hit differently in a framework they call stress as offense to self. A heavy but legitimate workload can still affirm your professional value, because the demands are consistent with the role you actually hold. Illegitimate tasks tend to do the opposite. They send a quiet signal that your time, your training, and your judgment are not being respected, and that signal is theorized to be part of what makes the exhaustion feel personal rather than just tiring.
What a Meta-Analysis of More Than 66,000 Workers Found
In 2026, a meta-analysis published in the Journal of Occupational Health Psychology pooled findings from 145 independent studies conducted across eleven countries, covering more than 66,000 workers in total. It is one of the largest bodies of evidence assembled so far on this specific topic.
Across that research, illegitimate tasks showed a strong relationship with burnout, the strongest of any outcome the researchers measured. Job satisfaction dropped considerably wherever illegitimate tasks were common, turnover intentions rose, and so did work-family conflict, the sense of work spilling over and disrupting home life. The researchers also found that the unreasonable and unnecessary categories overlapped heavily in practice, which is part of why a simple combined question, something closer to “does this belong to me and does it need to exist,” tends to be more useful day to day than trying to draw a hard line between the two types.
It is worth naming what this research does and does not show. It is correlational, drawn mostly from self-report data, and it cannot prove that removing every illegitimate task would eliminate burnout on its own. What it does offer is a strong, consistently replicated signal about where a meaningful share of work exhaustion may actually be coming from, separate from the honest question of how much you have to do.
Why This Lands Differently for High-Responsibility Women
If you are carrying professional responsibility, caregiving, and community obligations at the same time, this research probably will not surprise you so much as validate something you already sensed. In government, defense, and mission-driven roles especially, where headcount is tight and process is heavy, the tasks that do not belong to your actual role have a way of quietly becoming yours anyway, absorbed one favor or one gap-filling moment at a time.
For Black women and women of color in particular, there is often an added, unspoken expectation to handle the overflow without complaint, which can make even naming an illegitimate task out loud feel riskier than it should. None of this means you are bad at managing your time, or that you lack discipline. The research suggests something closer to the opposite: your exhaustion may be a reasonable response to a real pattern, not a personal shortfall to fix with a better planner.
A Practical Tool: The Two-Question Legitimacy Check
You will not be able to eliminate every illegitimate task the moment you notice it. But naming which category something falls into is usually the first real step toward doing something about it, whether that is delegating it, redesigning it, or simply deciding it deserves a boundary conversation. Try running whatever is draining you most this week through two questions.
Question 1: Is this actually part of my role?
Not what has quietly been absorbed into your plate over time, but what you are genuinely responsible for based on your actual position. If the honest answer is no, that task is a candidate for delegation, reassignment, or a direct conversation with whoever keeps routing it your way.
Question 2: Does this even need to happen at all?
Some tasks exist only because a process, a habit, or someone else's oversight never got fixed. If the honest answer is that nothing would actually break without it, that task is a candidate for elimination, automation, or a process fix, and it is worth raising as a systems issue rather than a personal complaint.
A few ways to put the check to work:
Write the task down in plain language before reacting to it. Naming it on paper makes the pattern visible instead of just felt.
Bring one recurring illegitimate task to a manager framed as a process question, not a personal grievance. Systems language tends to travel further in high-structure environments than complaint language does.
Track unnecessary tasks for a week if you suspect a pattern. A documented pattern is far more persuasive than a single frustrated moment, and it protects you from being told it is just one thing.
Use the check as a nervous-system check-in as much as a productivity tool. Noticing “this is illegitimate, not just hard” can be a genuine relief in the moment, separate from whether anything changes right away.
When It's More Than a Workload Problem
This kind of audit is educational and reflective, not diagnostic. If work-related stress is showing up as persistent sleep problems, a mood that will not lift, or symptoms that are not improving on their own, that is a conversation for a licensed healthcare provider or mental health professional, not a worksheet. Coaching can support you in building sustainable boundaries and habits alongside that care, but it is not a substitute for it.
Frequently Asked Questions
Is dealing with illegitimate tasks the same as being burned out?
Not exactly. Illegitimate tasks are a workplace factor that research links to a higher risk of burnout. Burnout itself is a distinct pattern of exhaustion, cynicism, and reduced effectiveness, and if it feels persistent or severe, it is worth an honest conversation with a licensed professional rather than something to self-diagnose from a blog post.
What if the unnecessary task exists because of my own habit, not someone else's?
The check still applies. A task does not stop being a legitimate target for redesign just because a personal habit, rather than someone else's process, is the reason it still exists. The goal is fixing the pattern, not assigning blame for it.
Does this mean I should refuse anything outside my exact job description?
Not necessarily. Some out-of-role tasks are genuinely reasonable given real circumstances, like short-term coverage during an emergency. The two-question check is meant to help you notice a recurring pattern worth addressing, not to justify refusing every single ask that lands on your desk.
How is this different from just having too much on my plate?
Workload size and task legitimacy are related but separate. Research finds illegitimate tasks predict burnout even after accounting for how much work someone is carrying overall, which suggests the reason behind a task matters almost as much as how much of it there is.
I'm in a high-responsibility, low-flexibility role. Can I actually use this?
Yes, with realistic expectations. You may not be able to eliminate every illegitimate task in a structured environment like government or defense work. But naming and documenting the pattern is often the groundwork that eventually supports a real process change, a delegation conversation, or a boundary you feel ready to hold.
Sources
Kim, S., et al. (2026). The Outcomes of Illegitimate Tasks at Work: A Meta-Analysis. Journal of Occupational Health Psychology. Manuscript available via White Rose Research Online: https://eprints.whiterose.ac.uk/id/eprint/239995/
Semmer, N. K., et al. (2019). Stress as Offense to Self: A Promising Approach Comes of Age. Occupational Health Science. https://link.springer.com/article/10.1007/s41542-019-00041-5
Eatough, E., et al. (2022). Illegitimate tasks: A systematic literature review and agenda for future research. Work & Stress. https://www.tandfonline.com/doi/full/10.1080/02678373.2022.2148308
Written by Kara Ryles, ACE Certified Health Coach and founder of The Wellness Shift Co. Kara works with high-responsibility women in government, defense, and mission-driven roles who are ready to understand what their bodies are telling them, and pressure themselves less while doing it. This article is educational content and is not a substitute for individualized medical, mental health, or legal advice.
