How to Stop Overthinking at Work: A Psychologist's Guide

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You rewrite the email for the fourth time. You rehearse the meeting conversation in your head for an hour before it happens. You lie awake replaying a comment your manager made, analysing every possible interpretation. Overthinking is not a sign of thoroughness — it is a cognitive trap that drains your energy, delays your decisions, and undermines your confidence. This guide explains why it happens and how to break the pattern.

What Overthinking Actually Is

Overthinking takes two forms, and most people experience both:

• Rumination: replaying the past. "I shouldn't have said that in the meeting." "Why didn't I push back?" "They must think I'm incompetent." This is backward-looking overthinking, and it is closely linked to depression and anxiety.
• Worry: catastrophising the future. "What if the project fails?" "What if I'm not good enough for this role?" "What if they are going to let me go?" This is forward-looking overthinking, and it fuels procrastination and avoidance.

Research by Susan Nolen-Hoeksema at Yale found that chronic overthinkers are significantly more likely to experience depression, anxiety, and impaired problem-solving. Paradoxically, the more you think, the worse your decisions become — because overthinking activates the emotional brain (amygdala) while impairing the analytical brain (prefrontal cortex).

Overthinking masquerades as productive analysis. It is not. Analysis has a goal and an endpoint. Overthinking is a loop with no resolution.

Why High-Performers Overthink

Overthinking is disproportionately common among intelligent, conscientious, high-performing professionals. Why?

• High standards. You hold yourself to an exacting standard and fear falling short. The gap between where you are and where you think you should be creates anxiety — which fuels more thinking.
• Responsibility. You care deeply about doing good work and about the people who depend on you. This sense of responsibility can tip into hypervigilance.
• Imposter syndrome. If you secretly fear you are not good enough, every interaction becomes a data point to analyse for evidence of your inadequacy.
• Past success through analysis. Your ability to think deeply and see nuance has been an asset throughout your career. Overthinking is that same skill running unchecked.

Understanding this is important: overthinking is not a character flaw. It is a misapplication of a genuine strength.

Strategy 1: Set Decision Deadlines

Most overthinking happens in the absence of a clear decision point. Without a deadline, analysis expands to fill the available time — and beyond.

• For low-stakes decisions: give yourself 2 minutes. Email response? Send it. Lunch choice? Pick one. The cost of a suboptimal decision is almost always lower than the cost of the time spent deliberating.
• For medium-stakes decisions: give yourself 24 hours. Gather the relevant information, consult one person if needed, and decide.
• For high-stakes decisions: use a structured framework like the decision matrix or pre-mortem analysis. Set a deadline. When the deadline arrives, decide with the information you have.

Jeff Bezos' principle is useful here: most decisions are "two-way doors" — reversible. For reversible decisions, speed matters more than perfection. Save your deep analysis for the irreversible ones.

Strategy 2: Write It Down, Then Stop

Research on "expressive writing" by James Pennebaker at the University of Texas shows that writing down worries reduces their cognitive load. The act of externalising thoughts moves them from the spinning loop in your head to a fixed format on paper, which your brain can then process and release.

• For rumination: write down exactly what happened, what you are telling yourself about it, and what — if anything — you can do about it. Then close the notebook. The story is written. You do not need to keep rewriting it in your head.
• For worry: write down the worst-case scenario, the best-case scenario, and the most likely scenario. Most of the time, the most likely scenario is far less catastrophic than the one your brain is generating.
• For perfectionism: write "done is better than perfect" somewhere you will see it every day. Then practice living by it.

Strategy 3: Challenge the Thought

Cognitive Behavioural Therapy (CBT) offers a powerful technique: when you catch yourself overthinking, challenge the thought with evidence.

• "They must think I'm incompetent." What is the evidence? Did they say that? Or are you mind-reading? What evidence do you have that you are competent? (Your track record, your results, your feedback.)
• "This project is going to fail." What specifically is likely to go wrong? What is the probability? What is within your control to prevent it? Have you succeeded at similar challenges before?
• "I should have handled that differently." Based on what you knew at the time, was your response reasonable? Would you judge a colleague this harshly for the same action?

The goal is not positive thinking. It is accurate thinking. Overthinkers systematically overestimate threat and underestimate their own capability. Challenging the thought restores balance.

Strategy 4: Create "Thinking Time" — and Protect "Not-Thinking Time"

If overthinking is unstructured thinking that happens everywhere, the antidote is to give it a container:

• Schedule "worry time." This sounds counterintuitive, but research supports it. Allocate 15 minutes a day to deliberately think about your worries. Outside that window, when a worry surfaces, note it down and tell yourself: "I'll think about this during worry time." Over time, this trains your brain that worries have a place — and it is not everywhere.
• Build recovery into your day. Physical activity, time in nature, creative pursuits, and social connection all interrupt the overthinking loop. They are not luxuries — they are cognitive necessities.
• Protect your evenings. If you find yourself replaying the workday every evening, create a ritual that marks the transition: a walk, a change of clothes, a phone-free dinner. Your brain needs a signal that work thinking is over.

Strategy 5: Build a Bias for Action

The ultimate antidote to overthinking is action. Not reckless action — but a deliberate practice of choosing movement over stasis:

• Send the email. The fourth draft is not meaningfully better than the second.
• Share the idea. An imperfect idea shared is more useful than a perfect idea hoarded.
• Make the decision. A good decision made now is better than a perfect decision made too late.
• Ask for feedback. Instead of guessing what people think, ask them. Real data is always better than the data your overthinking brain invents.

Each action you take builds evidence that imperfect action leads to better outcomes than endless deliberation. Over time, this rewires the habit.

Your Brain Is an Asset, Not Your Enemy

The ability to think deeply, see nuance, and anticipate problems is a genuine leadership strength. The goal is not to think less — it is to think better. To direct your analytical power toward problems that matter, decisions that require it, and strategies that benefit from depth — while releasing the noise.

If overthinking is significantly affecting your performance, confidence, or wellbeing, coaching can help you develop personalised strategies to break the pattern and channel your thinking where it matters most.

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About Her Success Coach

Iveta Dulova is an executive and leadership coach for women with a decade of experience in global technology and a Masters in Coaching and Leadership from the University of Cambridge. She works with women managers, directors, and founders across technology, financial services, and consulting who want to build executive presence, negotiate with confidence, and build a career that reflects their values rather than their fears.

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