Anxiety at Work: Causes, Symptoms, and What to Do

You sit down on a Monday morning. Your inbox is manageable. The workload is fine. But there’s a low-level tension in your chest that you can’t point to — a brain already cycling through problems before they exist. You’ve handled situations like these before. But today the nervous system is already treating them as threats.

The conventional answer to this is “take a break” or “practise mindfulness.” Neither is wrong. But neither explains why the tension returns, or why the people who are best at their jobs often experience it most acutely.

What’s actually happening is physiological. Your nervous system has assessed the environment — deadlines, performance stakes, ambiguity, social visibility — and decided these warrant a sustained low-level threat response. Cortisol stays elevated. The brain keeps circling. That unresolved readiness is what anxiety at work feels like from the inside.

This article covers what is driving workplace anxiety in the UK right now, how to recognise it clearly, and the approaches that reduce it — not by ignoring the environment, but by working with the body that experiences it.

What Anxiety at Work Actually Is

Anxiety at work is not the same as stress. Stress has an identifiable source — a deadline, a difficult meeting, a difficult conversation. Remove the source, stress lifts. Anxiety persists past the event. It is the threat-detection system remaining active when the immediate cause has gone.

According to the Health and Safety Executive’s 2024/25 figures, 964,000 UK workers experienced work-related stress, depression, or anxiety — a 24% increase on the previous year. Those conditions cost 22.1 million working days, averaging 23 days per affected worker. Anxiety at work is not a personal failing. It is a widespread physiological response to environments that regularly exceed the nervous system’s capacity.

The named mechanism is allostatic load — the cumulative wear on the body from chronic activation of the stress response. When the HPA (hypothalamic-pituitary-adrenal) axis is kept in a state of readiness by sustained, unresolvable threat cues, cortisol stays elevated, sleep quality degrades, and the capacity to plan and prioritise narrows. The conditions most likely to produce high performance — high stakes, complex interdependencies, visible outcomes — are precisely those most likely to trigger this response.

Why Workplace Anxiety Has Become So Common

The CIPD Health and Wellbeing at Work Report found that anxiety was among the most commonly reported conditions affecting workers, with 69% of those experiencing anxiety reporting that their workplace contributed to it. This is not just people with pre-existing conditions struggling — it is the workplace itself generating the problem.

Four drivers stand out in the research. First, workload ambiguity: when there is no clear definition of “done”, the nervous system can’t register completion, and the alert stays on. Second, social evaluative threat: high-visibility environments — open-plan offices, constant performance metrics, cultures where mistakes are noted publicly — keep the brain’s threat-detection pathways active across the whole day. Third, digital overload: the expectation of availability sustains physiological readiness even between demands. Fourth, role uncertainty: unclear scope or a mismatch between expectations and capacity produces sustained ambiguity, which the brain processes as threat.

ONS data shows women are 25% more likely to report work-related mental health issues than men (3,220 per 100,000 versus 2,580). Nearly a third of workers aged 18–24 took time off due to stress in the past year.

What Anxiety at Work Actually Feels Like

The symptom picture is wider than most people expect. The acute form — panic, racing heart, shortness of breath — is less common than the chronic, low-grade version. That version looks like this:

Cognitive: Difficulty making decisions. Trouble concentrating for sustained periods. Catastrophising — jumping to worst-case outcomes when something goes wrong. Mental rehearsal of conversations that haven’t happened. A sense that everything is more urgent than it is.

Physical: Tension in the jaw, neck, or shoulders that builds across the day. Fatigue that doesn’t resolve with rest. Disrupted sleep — difficulty falling asleep, or waking at 3am with thoughts that won’t stop. Headaches and digestive problems.

Behavioural: Avoiding tasks that feel high-stakes. Over-preparing on low-risk work to reduce uncertainty. Difficulty finishing things because finishing means evaluation. Irritability that seems out of proportion to the trigger.

It is worth naming what anxiety at work can masquerade as: perfectionism, procrastination, difficulty receiving feedback, and the persistent sense of not being good enough. These are frequently anxiety responses that have been mislabelled as character traits.

What Actually Helps: Evidence-Based Approaches

The fixes that work are load-reduction strategies — ways of reducing the number of unresolved threat signals the nervous system is carrying at any given time.

Name What’s Driving It

Anxiety is maintained by avoidance. The more you try not to think about what’s creating the tension, the more cognitive resources get committed to suppressing it. Writing down, as specifically as possible, what you are actually anxious about — not “work” but “the review on Thursday, specifically defending the budget decision from March” — shifts the perceived threat from ambient to bounded. A bounded threat can be planned around.

This is cognitive offload. Research on working memory consistently shows that externalising unresolved concerns from working memory frees prefrontal resources and allows clearer thinking.

Build a Clear End-of-Day Signal

The nervous system responds to cues. One of the most effective interventions for chronic workplace anxiety is a deliberate end-of-day routine: closing the laptop, silencing work notifications, and writing tomorrow’s three priorities on a daily priority pad built around intentional task selection. This gives the nervous system a concrete signal that the working day has ended — something digital working life systematically removes.

Use a Structured Morning Anchor

Anxiety tends to be highest in the morning, when the day’s demands feel undifferentiated and the sense of being behind starts before the first task. A structured morning routine — identifying the single most important task and acknowledging one thing already handled — shifts the brain from threat-scanning to task-orientation in under fifteen minutes.

A structured morning journal for minds that don’t switch off forces explicit prioritisation, which reduces the undifferentiated load the brain would otherwise spend the whole morning trying to manage.

Address the Body

Chronic workplace anxiety is a physiological state. Regular cardiovascular exercise is one of the most consistently supported interventions in the research — not because it “clears your head” but because it provides a complete activation-and-recovery cycle that a stressed, desk-based day rarely includes. Exhale-lengthened breathing (where the exhale is longer than the inhale) engages the vagus nerve and activates the parasympathetic nervous system directly. It is one of the few tools that can interrupt the physiological state of anxiety in real time.

What to Stop Doing

Using caffeine to push through. Caffeine elevates cortisol and keeps the sympathetic nervous system active. Increasing coffee intake during a high-anxiety period amplifies the physiological problem it feels like it’s solving.

Treating busyness as safety. Staying busy suppresses anxiety temporarily. What it actually does is prevent the nervous system from completing the activation-and-recovery cycle it needs. The depletion that follows weeks of this is real and accumulating.

Waiting until performance is visibly affected. Anxiety degrades judgment, decision-making, and the ability to hold complexity well before the affected person notices it. The assessment that you are “managing fine” is one of the things anxiety disrupts first.

If your workplace is consistently producing the conditions above — ambiguity, excessive pressure, unclear expectations — that is a workload conversation, not a wellbeing one.

Explore the Morning Mindset Journal →

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Related Reading

• Burnout vs Tiredness: How to Tell the Difference
• Mental Load Explained: What It Is and How to Carry Less of It
• Why Can’t I Focus Anymore?

When to Take It More Seriously

If anxiety at work is substantially affecting your daily life — your sleep, your relationships, your ability to function — speak to your GP. Work-related anxiety can develop into a clinical anxiety disorder if sustained over time and left unaddressed. A GP can assess where you are and refer you for evidence-based treatment if appropriate.

In the UK, you can self-refer for CBT and other evidence-based therapies via your local NHS IAPT service at nhs.uk. These services are specifically designed for anxiety and available without a GP referral in most areas. If you believe an underlying condition such as ADHD is contributing to your anxiety at work, ask your GP about the Right to Choose pathway for a specialist assessment.

This article is a starting point, not a diagnosis. If you are concerned about your mental health, please speak to a professional.

Frequently Asked Questions

What are the main signs of anxiety at work?

The most common presentation of anxiety at work is low-grade and chronic rather than acute. Cognitive signs include difficulty making decisions, trouble concentrating for sustained periods, catastrophising about events that haven’t happened, and mental rehearsal of difficult conversations. Physical signs include jaw and neck tension, fatigue that doesn’t resolve with rest, disrupted sleep, and headaches. Behaviourally, workplace anxiety often looks like perfectionism, avoidance of high-stakes tasks, over-preparation, and difficulty delegating. According to HSE 2024/25 data, nearly 964,000 UK workers experienced work-related stress, depression, or anxiety — the majority experiencing the chronic, low-level form.

What causes anxiety at work?

Four drivers are most consistently identified. Workload ambiguity — when there’s no clear definition of done, the nervous system stays on alert. Social evaluative threat — high-visibility environments with constant performance metrics keep threat-detection pathways active all day. Digital overload — the expectation of always-on availability sustains physiological readiness even between demands. Role uncertainty — unclear scope or a mismatch between expectations and capacity produces the kind of sustained ambiguity the brain processes as threat. The CIPD found that 69% of people with anxiety reported their workplace contributed to it — this is environmental, not only personal.

How do you manage anxiety at work without it getting worse?

The most effective approaches reduce the load on the nervous system rather than just suppressing symptoms. Name specifically what you’re anxious about — writing it down shifts the threat from ambient to bounded. Build a clear end-of-day routine that signals to the nervous system the working day has ended. Use a brief morning structure to shift from threat-scanning to task-orientation before the day starts. Regular cardiovascular exercise and exhale-lengthened breathing both have strong evidence bases for reducing the physiological state of anxiety. If the anxiety is being driven by role ambiguity or unmanageable workload, a direct, specific conversation with a manager about expectations is more effective than any personal coping strategy alone.

Can a structured journal help with workplace anxiety?

Structured journalling helps workplace anxiety by externalising concerns from working memory — a mechanism research in cognitive psychology calls cognitive offload. Writing down what you’re anxious about, naming what you can and cannot control, and identifying the single most important task for the day all reduce the diffuse load the prefrontal cortex is carrying. A mindset journal designed for fast-moving minds provides this structure in ten to fifteen minutes, giving the brain concrete completion signals rather than leaving the day as one continuous undifferentiated demand. Structured prompts tend to outperform open-ended journalling for anxiety specifically, as they prevent the rumination that unguided writing can sometimes amplify.