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How to Calm Your Nervous System When You Cannot Stop Overthinking
- Nat Creasy
- Mar 9
- 3 min read
Inside Nat's Notebook - Real Reflections for Real Change
There is a moment, usually late in the evening, when the house is quiet, and your mind gets louder. Maybe you've noticed that?
You replay something you said. You imagine something that might happen. You rehearse a conversation that has not even occurred yet.
And you tell yourself you are just thinking.
But your body is not experiencing thinking.
It is experiencing a threat.
Overthinking Is a Protection Strategy
Overthinking is rarely a personality trait. It is a protection strategy.
Your brain believes rehearsal equals control. If you can anticipate every possible outcome, maybe you will not be caught off guard. If you can predict the worst-case scenario, maybe you will soften the blow.
For a while, this feels intelligent. Productive even.
But the nervous system does not distinguish between a real threat and a vividly imagined one.
So when you replay that conversation ten times, your body reacts ten times.
Your jaw tightens. Your stomach knots. Your breath shortens. Your shoulders brace, all ten times. Yes, really.
You call it analysis.
Your body calls it danger.
Why You Feel Wired Even When Nothing Is Wrong
This is why you can be physically safe in your bed and still feel wired. Why you can be on holiday and still unable to switch off. Why nothing dramatic needs to be happening for you to feel alert, restless or tetchy.
The stress response is being activated by imagination.
And imagination is powerful.
Calming your nervous system does not begin with silencing your thoughts. If you try to force your mind to stop, it often fights back harder.
It begins underneath the thoughts.
It begins in the body.
A Simple Starting Point
One simple place to start is your exhale.
The exhale is the body’s signal of safety. When you lengthen it, even slightly, you are telling your nervous system that the threat has passed.
Not dramatically. Not theatrically. Just gently longer out than in.
One breath will not transform your life. But repetition changes your baseline.
Consistency, Not Intensity
This is the part most women miss.
They try something once. It feels small. They decide it does not work.
But the nervous system learns through consistency, not intensity.
This is why weekly anchoring matters. Why practising in real time matters. Why learning how to interrupt the spiral before it gathers speed changes everything.
That is the difference between coping and mastering.
If overthinking is your default, the best place to begin is not perfection.
It is interruption.
That is exactly why I created Nat’s Overthinker’s Escape Plan.
It is simple. Practical. Designed for real moments when your mind will not switch off.
You can download it for free here:
Start there. 🥰
Before you move on, here is your #RebelMoment for today.
Tonight, when you notice yourself replaying something, do not try to solve it.
Instead, place one hand on your chest and one on your stomach.
Lengthen your exhale slightly.
Then ask yourself quietly:
Is this happening right now?
Rebelling against overthinking is not about forcing silence.
It is about teaching your body that you are safe. Don't forget to access your free download of Nat’s Overthinker’s Escape Kit. Let me know how you get on; I would love to hear about your progress.
Stay Blessed
LoveLove
Nat x
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