Sound Therapy

A no-effort wellness experience influencing nervous system states - and the benefits commonly associated with them

Sound therapy doesn’t target specific outcomes. It works by changing sensory input in ways the nervous system can respond to — supporting a shift towards down-regulation.

Nervous system down-regulation

How the nervous system is behaving across multiple systems, shifting away from urgency, processing, and reactivity.

This often experienced as steadier breathing, reduced physical tension, and a feeling of ease in the body while moving toward a state of relaxation.

Parasympathetic nervous system

The branch within the autonomic nervous system that is often dominant in a down-regulation process associated with rest, recovery, and restorative processes.

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A meditative state becomes easier to access

Sound therapy offers supportive sensory conditions, allowing for meditative states to become more accessible.

Not by actively directing attention or effort, but by reducing the internal signals that typically compete with settling and staying present.

In a sound immersion experience, this state can arise passively — without concentration, prior experience, or “trying to meditate”

  • A state of mind characterized by non-reactive awareness

  • 1.) The nervous system rarely gets the time — let alone a clear signal — to feel safe enough to unwind.

    For many people, opportunities to transition out of high activity and into rest are limited or incomplete.

    This can look like:‍ ‍sitting in the driveway before walking into a home that immediately demands your energy, putting headphones on during a crowded commute, trying to decompress while sitting in traffic, or lacking a clear boundary that signals the end of the workday in hybrid or work-from-home life.

    Sitting still when overstimulated can feel abrupt—like slamming on the brakes without slowing first.

    2.) Many people aren’t sure what they’re aiming for.

    If you’ve never experienced non-reactive awareness, it’s hard to know what meditative states are supposed to feel like. Without a clear sense of what the practice is building toward, it’s common to wonder:

    Am I doing this right?

    Should I feel better by now?

    3.) Many meditation resources unintentionally add to this confusion by emphasizing technique or outcomes, without helping people recognize the actual skill being developed.

    Non-reactive awareness isn’t about emptying the mind. It’s the ability to notice thoughts and sensations without needing to fix, follow, or fight them.

    When that distinction becomes clear, the experience often feels surprisingly relaxing and freeing. But until someone understands what they’re practicing — and why — meditation can feel more frustrating than supportive.

Building mindfulness & meditation skills over time

With consistency, sound sessions strengthen the ability to notice thoughts and stress without being immediately pulled by them.

Gradually, many people find it becomes easier to pause, think clearly, and choose how to respond instead of reacting automatically.

Over time this can look like:

  • Feeling less reactive under stress

  • Easier flow of feeling emotions

  • Greater flexibility in stress responses

  • Clearer, more stable focus during daily demands

How sound therapy encourages these shifts

An environment with structured, stable sound where other sensory stimuli is limited provides the nervous system with less to monitor, respond, or react to.

When sensory load decreases, the nervous system is more likely to downregulate on its own.

  • Studies do support various benefits of sitting in silence. But when the mind is busy, silence can sometimes make thoughts feel louder.

    Without a steady sensory reference, the nervous system may stay alert — or drift inward toward mental noise or “mind chatter.”

    Stable tone and vibration give the nervous system a predictable sensory anchor. This can reduce internal monitoring and make downregulation and meditative states more accessible.

    • Friston, K. (2010). The free-energy principle: a unified brain theory? Nature Reviews Neuroscience, 11(2), 127–138.

    • Kumar, S., von Kriegstein, K., Friston, K., & Griffiths, T. D. (2012). Features versus feelings: Dissociable representations of the acoustic features and valence of aversive sounds. Journal of Neuroscience, 32(41), 14184–14192.

Sound is experienced as vibration. Sustained tones are stable oscillatory vibrations perceived primarily through auditory pathways, with lower-frequency vibration also detected through somatosensory systems.

The physical properties of instruments used in a sound immersion experience allow them to produce sustained, stable tones that create steady rhythmic sensory input. Rhythmic acoustic stimulation has been associated with changes in autonomic activity, breathing patterns, and muscle tension.

Looking at the research

The highlighted research contextualizes why changing sensory conditions - such as reducing sensory processing - is associated with various potential outcomes.

Outcomes research has linked to meditative and down-regulated states

  • Meditative and downregulated states are associated with decreased stress-related signaling, including reduced cortisol activity and lower sympathetic dominance.

    As stress signaling decreases, the nervous system shifts away from persistent threat detection and physiological vigilance.

    These shifts are associated with improved autonomic balance and reduced overall stress load.

    Selected research:

    • Pascoe, M. C., Thompson, D. R., Jenkins, Z. M., & Ski, C. F. (2017).
      Mindfulness mediates the physiological markers of stress: Systematic review and meta-analysis. Journal of Psychiatric Research, 95, 156–178.
      https://doi.org/10.1016/j.jpsychires.2017.08.004

    • Tang, Y.-Y., Hölzel, B. K., & Posner, M. I. (2015).
      The neuroscience of mindfulness meditation. Nature Reviews Neuroscience, 16(4), 213–225.
      https://doi.org/10.1038/nrn3916

  • Meditative states are associated with improved regulation of neural networks involved in executive control and sustained attention.

    Reduced stress-related activation decreases competing internal signals, supporting more stable attentional engagement and reduced distractibility.

    Repeated exposure to these states has been linked to functional changes in brain regions supporting cognitive control.

    Selected research:

    • Lutz, A., Slagter, H. A., Dunne, J. D., & Davidson, R. J. (2008).
      Attention regulation and monitoring in meditation. Trends in Cognitive Sciences, 12(4), 163–169.
      https://doi.org/10.1016/j.tics.2008.01.005

    • Tang, Y.-Y., Hölzel, B. K., & Posner, M. I. (2015).
      The neuroscience of mindfulness meditation. Nature Reviews Neuroscience, 16(4), 213–225.
      https://doi.org/10.1038/nrn3916

  • Downregulated and meditative states are associated with improved regulation of neural circuits involved in emotional processing.

    Reduced sympathetic dominance and improved executive control contribute to decreased emotional reactivity and increased regulatory capacity.

    These shifts support mood stability without suppressing normal emotional experience.

    Selected research:

    • Hölzel, B. K., Lazar, S. W., Gard, T., et al. (2011).
      How does mindfulness meditation work? Proposing mechanisms of action from a conceptual and neural perspective. Perspectives on Psychological Science, 6(6), 537–559.
      https://doi.org/10.1177/1745691611419671

    • Tang, Y.-Y., Yang, L., Leve, L. D., & Harold, G. T. (2012).
      Improving executive function and its neurobiological mechanisms through a mindfulness-based intervention: Advances within the field of developmental neuroscience. Child Development Perspectives, 6(4), 361–366.
      https://doi.org/10.1111/j.1750-8606.2012.00250.x

  • Meditative and downregulated states are associated with reduced physiological and cognitive arousal.

    Lower sympathetic activation and decreased stress signaling support transitions into sleep and improved sleep continuity.

    These effects are associated with improved subjective sleep quality and reduced sleep disturbance.

    Selected research:

    • Rusch, H. L., Rosario, M., Levison, L. M., et al. (2019).
      The effect of mindfulness meditation on sleep quality: A systematic review and meta-analysis of randomized controlled trials. Annals of the New York Academy of Sciences, 1445(1), 5–16.
      https://doi.org/10.1111/nyas.13996

    • Black, D. S., O’Reilly, G. A., Olmstead, R., et al. (2015).
      Mindfulness meditation and improvement in sleep quality and daytime impairment among older adults with sleep disturbances: A randomized clinical trial. JAMA Internal Medicine, 175(4), 494–501.
      https://doi.org/10.1001/jamainternmed.2014.8081

  • Downregulated and meditative states are associated with modulation of autonomic nervous system activity, reflected in reduced sympathetic dominance and increased parasympathetic influence.

    These shifts are often observed through improvements in heart rate variability (HRV), a marker of autonomic flexibility and stress resilience.

    Improved autonomic modulation is associated with reduced cardiovascular strain and greater physiological adaptability.

    Selected research:

    • Thayer, J. F., Åhs, F., Fredrikson, M., Sollers, J. J., III, & Wager, T. D. (2012).
      A meta-analysis of heart rate variability and neuroimaging studies: Implications for heart rate variability as a marker of stress and health. Neuroscience & Biobehavioral Reviews, 36(2), 747–756.
      https://doi.org/10.1016/j.neubiorev.2011.11.009

    • Pascoe, M. C., Thompson, D. R., Jenkins, Z. M., & Ski, C. F. (2017).
      Mindfulness mediates the physiological markers of stress: Systematic review and meta-analysis. Journal of Psychiatric Research, 95, 156–178.
      https://doi.org/10.1016/j.jpsychires.2017.08.004

  • Pain perception is influenced by both sensory input and central nervous system processing.

    Meditative states are associated with altered pain-related neural activity and reduced perceived pain intensity.

    These changes reflect modulation of attentional and emotional components of pain processing rather than elimination of sensory input.

    Selected research:

    • Zeidan, F., Grant, J. A., Brown, C. A., et al. (2012).
      Mindfulness meditation-related pain relief: Evidence for unique brain mechanisms in the regulation of pain. Journal of Neuroscience, 32(36), 12957–12963.
      https://doi.org/10.1523/JNEUROSCI.2367-12.2012

    • Garland, E. L., Brintz, C. E., Hanley, A. W., et al. (2019).
      Mind-body therapies for opioid-treated pain: A systematic review and meta-analysis. JAMA Internal Medicine, 179(1), 91–105.
      https://doi.org/10.1001/jamainternmed.2018.5394

Various Benefit Outcomes

Research has shown that down-regulated nervous system states and meditative states are associated with a range of benefits.

Because sound therapy supports the conditions in which these states can occur, benefits may be appreciated with single or consecutive sessions over time.

Sound immersion is used as a supportive, non-invasive sensory intervention, not a diagnostic or treatment modality.