“Regulate your nervous system” — this phrase turns up everywhere today. But what does it actually mean? And why is it so central to healing from trauma and chronic stress?
What is Dysregulation?
The nervous system’s job is to prepare us for threats and then bring us back to rest. This rhythm between activation and settling is healthy and normal.
We speak of dysregulation when this system has fallen out of balance:
- Chronic over-arousal: Persistent inner stress, sleep problems, irritability, palpitations, anxiety — the nervous system stays in alarm mode even when there is no longer any real threat.
- Chronic under-arousal: Numbness, exhaustion, lack of motivation, withdrawal, a feeling of emptiness — the system has retreated into a protective state.
- Swinging between both: Many people know both states and swing uncontrollably between them.
These patterns are not a character weakness. They are the biological response to experiences that were too much, too fast or too long.
The Window of Tolerance
A helpful concept from trauma research is the Window of Tolerance (developed by Daniel Siegel). It describes the range within which we can function well — neither overwhelmed nor numbed. Within this window we can think, feel, stay in contact and learn.
Trauma narrows this window. Smaller triggers throw us off balance. The aim of regulation is to gradually widen this window.
What Does Regulation Mean?
Regulation does not mean always being calm. It means developing flexibility: being able to be activated by a stressor and then also calm down again afterwards. To move and to land.
Regulation is not control. It is resilience.
How Does One Regulate the Nervous System?
There are many ways. Which ones help depends on whether one is in a state of over- or under-arousal.
With Over-Arousal (too much activation):
- Slowed exhalation — lengthening the out-breath activates the parasympathetic nervous system
- Cold water on the face — activates the dive reflex, lowers heart rate
- Grounding — consciously feeling how the feet meet the floor, noticing the surroundings
- Movement with completion — shaking, trembling, going for a walk and then coming to a stop
With Under-Arousal (too little energy):
- Moderate movement — walking, trampoline, dancing — activation without overwhelm
- Cold shower or fresh air — gentle activation of the system
- Social contact — the nervous system co-regulates with other people
- Singing or humming — activates the vagus nerve through the vocal cords
For Both States:
- Social connection — co-regulation is the most original form of regulation
- Rhythm — music, dancing, rocking, walking
- Nature — the sight of horizons, water and greenery demonstrably calms the nervous system
Why Is Self-Help Sometimes Not Enough?
These exercises are valuable tools for everyday life. But when a nervous system has been deeply shaped by prolonged or early traumatisation, it often needs more than techniques. It needs therapeutic accompaniment within a safe relational framework.
Because the nervous system has learned to dysregulate. And it can only learn to regulate again in relationship — because co-regulation is the foundation of all early regulation.
Somatic Experiencing® works precisely with this: not with techniques that are imposed on the nervous system, but with the nervous system itself — slowly, gently and in genuine contact.
If you notice that despite all your efforts you keep finding yourself in the same patterns, an initial conversation could be a helpful next step.
