top of page

How to Stop Overthinking: 3 Steps to Calm a Spiral and Rebuild Self-Trust

  • Jan 6
  • 5 min read

Updated: 22 hours ago

If you've ever found yourself lying in bed at 3 AM, wide awake as your mind races through worst-case scenarios and endless “what ifs,” heart racing with rising panic, you are not alone. Overthinking can feel like an unstoppable chain reaction, surging from zero to a hundred before you even realise what's happening. If you’re searching for how to stop overthinking, this guide will give you a simple reset you can use in the moment.


What you'll learn in this guide


  • Why overthinking spirals feel urgent (and why reassurance doesn’t help for long)

  • A simple 3-step reset to calm your body and step back from the mental noise

  • How to rebuild self-trust so you’re not relying on certainty to feel okay


Prefer to watch? Here’s the video version of this post:




Overthinking is often an attempt to avoid feeling


Overthinking often serves as a buffer against intense or uncomfortable emotions. Instead of experiencing feelings like anxiety, shame, or guilt directly, many people automatically shift into ‘analysis’ or ‘thinking’ mode. Intellectualising, ruminating, and worrying can all be ways to shut off from our emotions. Over time, this mental escape becomes a habitual way to dodge the messy, unpredictable nature of feelings.


We can experience difficult emotions as overwhelming and even "dangerous," especially if they’ve been avoided for years. In contrast, thinking can feel more controllable and familiar. The brain learns to rely on overthinking as a protection - not from outside threats, but from our own emotions.


The problem? Each time you shift away from feelings and into your head, your self-trust subtly erodes. You send yourself the message, “I can’t handle this,” which only reinforces the pattern of escaping into overthinking.


The illusion of control


Beyond emotion avoidance, overthinking is often a misguided attempt to seek control in an uncertain world. Many overthinkers believe that if they can anticipate every possible outcome, plan for every scenario, or rehearse conversations endlessly, they'll somehow prevent things from going wrong.


This isn’t about being controlling; it’s about wanting and needing safety and predictability. The brain starts to treat overthinking as the primary way to stay prepared. But of course, life’s uncertainties can never be fully managed by mental rehearsal, leaving us locked in a stressful loop.


The body’s role in spirals


What doesn’t get talked about enough is the role our nervous systems play in overthinking. When your “threat system” (the sympathetic nervous system or ‘fight or flight’ response) senses anything potentially risky or new—a shift in tone, an unusual physical sensation, or even a vague sense of uncertainty—it leaps into action, often before your conscious mind is aware.


Your muscles tense, your breathing changes, and your attention narrows. Overthinking is simply the mind’s way of catching up with what the body has already initiated. This is why logical reasoning rarely helps in the heat of a spiral: the body is already primed for danger, regardless of what your thoughts are telling you.


How to stop overthinking: the 3-step reset


Given how the nervous system operates in overthinking, it follows that the way to reduce overthinking is to start with the body, not the mind. Before trying to rationalise your way out of a spiral, settle your nervous system:


Step 1 - Calm the body first


When your nervous system is in threat mode, your mind will generate more “what ifs.” Start with your physiology: slow your breathing, drop your shoulders, and anchor your attention in the room you’re in.


  • Breathe out longer than you breathe in (even for 60 seconds).

  • Ground using your senses (what you can see, hear, feel). Try this exercise as a starting point.

  • Orient: name where you are and what you’re doing right now.


These tools calm the internal alarm and reduce stress, creating a foundation from which you can observe your thoughts more objectively.


Step 2 - Step back from the thoughts (without arguing with them)


Once calmer, you can name what’s happening (“I’m spiralling right now”), using defusion techniques to step back from your thoughts. The goal isn’t to suppress or distract but to change your relationship with overthinking - giving thoughts less power over you and your actions.


Step 3 - Rebuild self-trust by allowing feelings


The final step, and perhaps the hardest for many, is learning to allow uncomfortable feelings instead of escaping into thoughts. This means staying present with emotions like anxiety or shame, noticing them rise and fall, and gently supporting yourself through the discomfort. Each time you do this, you signal to yourself, “I can handle this,” slowly rebuilding the self-trust lost to avoidance.


The takeaway


Overthinking is a learned, automatic response, but just as the mind learned to spiral, it can learn to trust, feel, and stay present. With compassion, practice, and the right tools, you can break the overthinking cycle and reclaim a calm, more connected life.


FAQ: Stopping Overthinking


Overthinking usually spikes when your nervous system is on high alert - especially at night, when you’re tired and there’s less distraction. The fastest reset is body-first (slowing your breathing and grounding), then stepping back from the urge to get certainty by thinking. The aim isn’t to force calm; it’s to interrupt the loop and rebuild trust that you can cope without analysing everything.


Why do I overthink more at night?

Because your brain has fewer distractions, and your body is often more tired and stress-sensitive. When the threat system is switched on, the mind tries to create certainty through thinking. Night-time quiet makes that loop louder.

How do I stop spiralling thoughts in the moment?

Start with your body first: slow your breathing and ground in your environment. Then name the spiral and shift to one small action in the real world (water, shower, bed routine, a simple task). Interrupting beats analysing.

What’s the difference between overthinking and problem-solving?

Problem-solving moves toward an action and has an endpoint. Overthinking loops around the same uncertainties and usually leaves you feeling more tense, not more clear. A quick test: does this thinking lead to a decision, or just more checking?

Why doesn’t reassurance help?

Reassurance can calm you briefly, but it teaches your brain that you need certainty to feel okay. That makes the next doubt feel even more urgent. The long-term shift is learning to tolerate uncertainty without chasing a guarantee.

How do I rebuild self-trust after anxiety?

Self-trust returns when you repeatedly prove to yourself, through experience, that you can feel uncomfortable and still cope. Small, consistent “I can do this while anxious” moments matter more than big breakthroughs.

How long does it take to stop overthinking?

It depends on how entrenched the habit is and what’s fuelling it (stress, burnout, perfectionism, trauma patterns). Most people notice change when they practise the same few skills consistently for weeks, not once in a crisis.

When should I seek professional support?

If spirals are affecting sleep, relationships, work, or your ability to function - or if you’re stuck in repeated reassurance/checking patterns - therapy can help you change the loop, not just manage the symptoms.



Need a Little Help?


If you want support between spirals, you can start with my free mini course, or use the Spiral Rescue Kit for quick, guided tools you can reach for in the moment.


Prefer to browse first? Explore my Resources page for videos and tools.


How to Stop Spiralling mini course cover image

Mini course: How to Stop Spiralling


A short, practical mini course to help you understand what’s driving the spiral and practise the skills that interrupt it - without needing to “think your way out.”



Spiral Rescue Kit for anxiety and overthinking – Dr Liz White

Spiral Rescue Kit


For the moments when your mind won’t switch off. Quick, guided tools to help you slow things down and get back to the present when anxiety and overthinking feel urgent.






Comments


Commenting on this post isn't available anymore. Contact the site owner for more info.
bottom of page