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Why Your Nervous System Is Exhausted (and how ancient sound practices can help)
6 February 2026
Sarena Mason
Something I notice a lot is how many people are moving through their days with a nervous system that is quietly overworked. This is something I experienced pretty much all the time before I became really ill with ME/CFS (chronic fatigue syndrome). Trouble is…I normalised feeling that way…
It doesn’t always look dramatic. More often, it feels like:
- being tired but unable to fully rest
- difficulty focusing
- feeling slightly on edge for no clear reason
- struggling with meditation or stillness
- a background tension that never quite leaves
- Poor quality sleep.
This isn’t a personal failing. It’s a physiological state.
And long before we had modern language for stress, burnout, and nervous system regulation, ancient traditions developed simple practices to help the body return to balance.
One of the most consistent of these practices was the use of repetitive sound. I do laugh when I explain to people I’ve been “teaching humming” for around 25 years!
The nervous system needs a way to downshift
The nervous system is designed to move in cycles: engagement and rest, stress and recovery.
Modern life supports engagement very well. We are constantly thinking, responding, processing, and stimulated by information and noise.
What’s often missing is a reliable way for the system to settle.
When that settling doesn’t happen, the body remains in a mild but persistent state of activation. Over time, this begins to feel normal, even though it is not restful. We normalise tensions, anxiety and stress.
Why silence can feel difficult
Many people try meditation to find relief, only to discover that sitting in silence feels uncomfortable or agitating.
This is not because they are “bad” at meditation.
When the nervous system is activated, removing external input can make internal activity feel louder. Thoughts race. Restlessness increases.
Hundreds even thousands of years ago, priests and teachers understood this and used sound instead of silence as a way to guide the system toward calm.
What sound does to the body
Across cultures, we find chanting, prayer repetition, toning, and mantra. These were not only spiritual practices, but practical tools for settling the body and mind.
We now understand that repetitive vocal sound:
- naturally slows and regulates the breath
- stimulates the vagus nerve through gentle vibration in the inner ear, throat and chest
- steadies heart rate
- signals safety to the nervous system
In simple terms, sound helps the body shift out of alertness and into ease.
Daily humming and simple chant were key to my recovery from ME/CFS…the soothing vibration of sound calmed my nervous system – but of equal importance, these practices gave me a sense of control over an illness that took my normal life away…it was often frightening, but mantra felt empowering.
Why mantra works
A mantra is a short sequence of sounds repeated steadily. Its effect is rhythmic and physical as much as mental.
The repetition gives the mind something consistent to rest on. The vibration engages the body. The breath begins to even out without effort.
This is why mantra can feel more accessible than silent meditation, especially for those who feel overstimulated or mentally busy.
A familiar experience
Most people have noticed that singing along to music can change their mood quickly. The body softens. Breathing deepens.
This happens because singing combines breath, rhythm, and vibration — the same elements used in mantra practice.
Mantra simply brings these elements into a quieter, more intentional form.
A gentle way back to balance
Mantra does not require belief, perfect pronunciation, or a spiritual background. The nervous system responds to rhythm and vibration automatically.
For those who feel wired, overwhelmed, or unable to settle into stillness, mantra offers a simple, time-tested way to help the body complete the cycle of stress and recovery.
Not by forcing relaxation, but by creating the conditions in which it can naturally arise.
If you’re curious and would like to learn more, my next “Mantra as Medicine” mini course is being held near Highbridge, Somerset and starts on Saturday 21st February. It is two afternoons (21st February and 7th March) and we’ll focus on the foundations of chant (history and science), develop a simple home practice, and experience the beauty of chanting in person together.
Mantras are incredibly practical – with sounds to support individual organs or systems within the body; chants for abundance, protection, or to support our learning. Mantra to strengthen our courage, resilience and self-confidence. It isn’t magic (well, maybe they are), it IS Healing Sound.
