Stuck in your head? How overthinking sabotages mental wellness

Sergiy Danylov, Ph.D. in Neuroscience July 29, 2025
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At the Writing Table by an unknown American painter, 1790

Overthinking refers to the habit of repetitive, unproductive thought – going over the same thoughts again and again without reaching a solution. We’ve all experienced getting caught in a spiral of “what-ifs”, second-guessing decisions or replaying past mistakes in our minds. While a certain amount of reflection or problem-solving is normal, overthinking goes beyond that. It can sneak into everyday life, quietly undermining your mental well-being and decision-making.

Mental Spin Cycle

Psychologists note that overthinking often involves two forms: rumination (dwelling on the past, replaying regrets, mistakes) and worrying (agonizing about the future as if something could go wrong). Regardless of focus, overthinking means you’re stuck in your head without getting anywhere. You might believe you’re doing problem-solving, In reality, this habit of overthinking doesn’t usually lead to any resolution. Instead, it creates more stress by focusing on the negative and dwelling on the past. Problem-solving is goal-oriented – you ask questions to find an answer or fix an issue. Overthinking, in contrast, is dwelling on possibilities and pitfalls with no real plan to resolve anything. It’s like idling your mental engine in neutral: the wheels spin, but you’re not moving forward.

How overthinking gradually infiltrates our daily routines

Overthinking can infiltrate nearly every aspect of life, often without us realizing it at first. It may masquerade as being diligent or prepared, but its effects reveal a different story. For example, you might spend an hour drafting and deleting an email because you’re over-analyzing every word, or avoid making a career move because you’re obsessing over everything that might go wrong. Overthinking affects how you engage with the world, often preventing you from making decisions and enjoying the present moment [1]. You may find it drains your mental energy – time that could be spent on action or relaxation is instead consumed by constant deliberation. Over time, this habit of excessive thinking can train your brain to always be on high alert for problems, even when none exist.

Humans evolved with a negativity bias, which means we inherently pay more attention to potential threats and bad outcomes than positive ones. It’s easier to dwell on negative experiences than to appreciate the joy of positive ones, and it is natural. In our ancestors’ time, staying fixated on what might be dangerous had survival value. Fast-forward to modern life, and this bias can backfire – we end up over-focusing on problems and negatives, fueling overthinking loops.

Another way the anxious brain prompts overthinking is through its default mode of operation. When we’re not actively focused on a task, the mind often wanders into reflection – it replays events or simulates future scenarios automatically. When we have certain predispositions or vulnerabilities, this default system starts to cycle worries and stress. This further can trigger the cycle of “What if? What if?!” as your mind races to anticipate every outcome.

Overthinking intensifies anxiety and depression while also impairing cognitive functioning and reducing overall quality of life [2]. Studies have found that rumination actually harms decision-making ability, making you less confident and decisive. Physically, the stress of overthinking can manifest in tension and exhaustion. When your mind is always on overdrive, your body’s stress response stays activated. You might notice symptoms like fatigue, headaches, muscle tension, or trouble sleeping – all common when anxiety runs high.

Breaking free from overthinking

The good news is that overthinking is a mental habit – and, like any habit, it can be changed. It may not be easy, but with practice, you can train your mind to shift into healthier thinking patterns [3]. Here are some strategies to help break the cycle of overthinking and reclaim your peace of mind:

  • Get Perspective. Overthinking zooms your focus in on a problem until it feels huge. Deliberately take a step back. Ask yourself, “Will this issue matter a year from now? Five years from now?”. Often, the answer is no – and realizing that can dial down the urgency your mind is attaching to it.
  • Focus on What You Can Control. Overthinking often involves fretting over things you can’t actually influence (What if the 3rd World War happens?). Recognize those “unsolvable” worries and let them go. Instead, channel your mental energy into problems you can act on. If there is a concrete issue, switch to problem-solving mode: define the problem, brainstorm a couple of possible solutions, and pick a direction to try. Taking any small action can break the loop of analyzing endlessly.
  • Set Limits on Thinking Time. If certain decisions or thoughts tend to trap you in overanalysis, give yourself some structure. Set a decision deadline or a “worry period”. Knowing there’s a cutoff can prevent you from spiralling indefinitely.

How Anima’s AI can help you overcome overthinking

Recognizing a persistent negative attention bias is a wake-up call that your thought patterns may be skewed. At Anima, we’ve developed an approach that combines attention bias metrics with an AI chatbot to tackle overthinking from two sides. Our system first uses a webcam-based test to objectively measure your mind’s attention bias – in other words, what types of information your brain tends to focus on. We then evaluate your responses to questions about your mental state. Finally, with the assistance of our AI solution, you can break free from this thinking loop and regain clarity.

Overthinking often goes hand-in-hand with hypervigilance, where your attention locks onto potential threats or negative possibilities. Armed with this insight, our AI chatbot steps in as a personal guide. It explains your attention bias results and helps you see the link between those tendencies and your overthinking habits. Then it works with you to break the cycle, in a very practical way. For instance, if your scores show high hypervigilance, the AI will tailor its coaching, perhaps walking you through a grounding exercise to ease the mindset, or suggesting a cognitive reframing when it senses you’re spiralling into worst-case thoughts. While it’s not a substitute for therapy, it’s a powerful tool that aids you in your journey to gain control over overthinking. Explore Anima’s personalized approach now!