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What is your autonomic nervous system, and why does it matter?

Feeling edgy or numb, thoughts spiralling or lost in fog? Or are you sometimes emotionally reactive and unable to relax but can't understand why?

That's your autonomic nervous system at work - operating involuntarily and outside your conscious awareness. It controls your heart rate, breathing, digestion, and even alters your hearing and sight. And it strongly influences how you feel, think and relate to others.

Your nervous system moves between two main states: parasympathetic (rest and digest - calm, connected, restorative) and sympathetic (fight, flight or freeze - mobilised, on edge, or shut down), based on cues of safety or danger it's constantly scanning for.

The goal isn't to live in constant calm - you need both states to meet life's challenges. The goal is for your parasympathetic state to be your home base: the place you can always find your way back to.

3 signs you might be stuck in fight/flight or freeze

Many of us spend more time than we realise outside our regulated home base. A few common signs:

• You feel "wired but tired" - exhausted, yet unable to fully switch off or rest

• Small things trigger a big reaction - your body tenses or your mind races before you've even consciously registered why

• You feel foggy, flat or disconnected - going through the motions without really being present

If these sound familiar, it's not a personal failing - it's a nervous system that's learned to stay on alert. And it's possible to gently retrain it.

Try this: a simple practice to shift your state

One of the easiest and most effective ways to begin shifting your nervous system is through your breath.

Lengthen your exhale. Breathe in slowly through your nose, then extend your outbreath so it's longer than your inbreath. Repeat for several rounds.

This simple shift stimulates your vagus nerve - your body's built-in pathway back to calm - slowing your heart rate, relaxing your muscles, and signalling to your brain that it's safe to rest.

Try it right now for 60 seconds. Notice what shifts.