Understanding the Breath in Meditation
Updated: Sep 26
The Dual Nature of Breath
The breath is unique among physiological processes. It occurs automatically, governed by the autonomic nervous system, yet it can also be consciously controlled. Specifically, slow breathing increases parasympathetic nervous system dominance while decreasing sympathetic dominance. This dual nature makes breath a natural bridge between involuntary and voluntary functions of the body (Jerath et al., 2006).
Through this doorway of the breath, practitioners discover they can influence functions usually considered beyond conscious reach. This includes heart rate, blood pressure, gut health, brain function, and much more. In meditation, this understanding transforms the breath from a passive object of observation into an active instrument of self-regulation and growth.
Breath, Meditation and the Autonomic Nervous System
The autonomic nervous system (ANS) has two primary branches:
Sympathetic Nervous System (SNS): Activates the body’s “fight or flight” response. This increases heart rate, respiratory rate, blood pressure, and alertness.
Parasympathetic Nervous System (PNS): Engages the “rest and digest” response. It lowers heart rate and respiratory rate, aids digestion, and fosters a sense of calm.
Breathing patterns directly affect which branch dominates. For example, slow, deep, rhythmic breathing activates the PNS via the vagus nerve. This increases vagal tone and enhances heart rate variability (HRV), a key marker of autonomic balance (Lehrer & Gevirtz, 2014). HRV acts as a proxy for autonomic nervous system activity and can be influenced by breathing patterns.
Conversely, rapid or shallow breathing activates the SNS, preparing the body for action. This historical response can create a vicious cycle of unnecessary stress in daily life. Meditation that incorporates conscious breath awareness allows practitioners to observe and modulate these states, cultivating greater autonomy over internal balance.
Heart Rate Variability: A Key Indicator
Heart Rate Variability (HRV) is the natural variation in the time between heartbeats. High HRV indicates that your body can easily adapt from stress to relaxation. It signifies flexibility and resilience (Buteyko Clinic International, 2025). High HRV is associated with greater cardiovascular fitness, resilience to stress, better executive function, lower impulsivity, and improved emotional regulation (Arakaki et al., 2023; Harvard Health Publishing Staff, 2024).
Low HRV, however, can indicate ongoing strain. It may signal stress, poor sleep, fatigue, or even pathological conditions such as myocardial infarction, diabetic neuropathy, dementia, migraine, stroke, or anxiety (Arakaki et al., 2023).
Breathing is one of the most direct ways to influence HRV. Slow, gentle breathing increases HRV by shifting the body toward the relaxation response (parasympathetic dominance). In contrast, shallow, rapid breathing decreases HRV, keeping the body in a sympathetic nervous system state or stress response (Buteyko Clinic International, 2025; McCraty, 2015).
The Breath in Classical Traditions
While modern science describes the physiological role of breath, traditional contemplative practices have long recognized its centrality in meditation.
In the Yoga Sutras of Patañjali, Sutra II.49–51, Patañjali describes prāṇāyāma as the conscious regulation of breath. This practice refines awareness and steadies the mind. By lengthening and refining inhalation, exhalation, and retention, the yogi creates conditions for inner stillness, a precursor to meditation (dhyāna). In Sutra 52, Patanjali details the benefits of pranayama as having the ability to destroy the veil that covers the inner light, the veil of mental darkness (Sri Swami Satchidananda, 1990).
In the Ānāpānasati Sutta, a Buddhist Theravadan text, the Buddha taught the practice of sustained attention to inhalation and exhalation as a complete path of mindfulness. Breath awareness, when cultivated deeply, leads not only to calm but also to insight into impermanence (anicca), unsatisfactoriness (dukkha), and non-self (anattā).
The Vijñāna Bhairava Tantra, a non-dual Śaiva text by Abhinavagupta, presents 112 practice techniques (yuktis), many of which are centered on breath practices. One well-known instruction invites the practitioner to rest awareness in the pause between the inhale and the exhale. This practice helps discover the profound stillness of consciousness itself. Here, breath is not merely a support but a doorway into recognizing one’s essential nature (Wallis, 2022).
Across these traditions, breath is not simply a mechanical function. It is a vehicle of transformation, guiding practitioners from surface awareness into direct recognition of the ground of being. It fosters an inner cognition of pure awareness of our natural state of being.
Breath as Regulator and Teacher
For meditation practitioners, it is helpful to recognize the two complementary roles of breath in meditation:
Breath as a Regulator: By refining our breathing pattern, such as slowing down the rate of breathing, the meditator actively shifts the body into a state of relaxation and stability. This practice supports concentration and reduces physiological stress through increased vagal tone and higher heart rate variability.
Breath as Teacher: Observing the breath without manipulation reveals its impermanence and spontaneity. No two breaths are exactly alike, and each breath passes of its own accord. In yoga, Buddhist mindfulness, and non-dual Śaiva traditions, this reveals the transience of experience and the continuity of awareness. Breath helps unfold the layers that obstruct us from recognizing our true nature.
Beyond Technique: Integrating Science and Contemplation
As research deepens, science increasingly validates what meditation practitioners have long experienced. Slow, gentle, controlled breathing has been shown to improve emotional control and psychological well-being. It enhances autonomic, cerebral, and psychological flexibility (Zaccaro et al., 2018). At the same time, contemplative traditions emphasize the symbolic and experiential significance of breath as life-force and presence.
Integrating these perspectives offers a more complete approach. Breath is not only a biological process that can be shaped to regulate the body; it is also a mirror of awareness, continually pointing back to the immediacy of the present moment. To meditate with the breath is to stand at the threshold between the conscious and unconscious, the voluntary and the involuntary. As our practice develops, breath reveals itself not only as an anchor for attention but also as a profound teacher of impermanence and connection.
As ancient teachers and practitioners remind us, breath is not merely a function to observe but a pathway to transformation. It is at once a biological necessity, a contemplative practice, and a revelation of the rhythm of consciousness itself.
Sacred Stillness Meditation & Mind-Body Medicine
Work with Me:
In both the meditation classes and my Mind-Body Medicine sessions, I emphasize the breath and using it to deepen awareness. Personally, I have found deep stillness, pain reduction, and transformation through using breath as the focus of meditation.
In class, we practice mindfulness of breath, observing our current breathing and working towards refinements until that subtle, still awareness can be achieved. Sometimes we work in pranayama practices to assist with refining the breath, depending on the level of experience and interests of the class attendees. We also incorporate meditative practices that focus on the breath from the Vijñāna Bhairava Tantra (VBT), particularly Yukti 1, the first and one of the most important practices from this important text.
In the mind-body medicine sessions, I can measure your current BOLT score*[1] and map out a program that aligns with your physical health and/or spiritual goals. Breath practices may include Nadi Shodhana, Ujjayi Pranayama, Brahmari Pranayama, and many others. Similar to the classes, we can also incorporate breathwork practices from the VBT if there is interest
So please reach out to find out more:* Contact Me
OR book a session here: *Classes & Services
[1] The BOLT score is the length of time that you can comfortably hold your breath out and is used here as a general measure of breathing health.
References
Arakaki, X, R. Arechavala, E. Choy, J. Bautista, B. Bliss, C. Molloy, D. Wu, S. Shimojo, Y. Jiang, M. Kleinman and R. Kloner (2023) The connection between heart rate variability (HRV), neurological health, and cognition: A literature review, Frontiers in Neuroscience, Online] Last viewed Thursday 9th October 2025, <[https://www.frontiersin.org/journals/neuroscience/articles/10.3389/fnins.2023.1055445/full>
Buteyko Clinic International (2025), Can Breathing Exercises Improve Your Heart Rate Variability (HRV)? Online], Last viewed Wednesday 5th November 2025, <[https://buteykoclinic.com/blogs/news/can-breathing-exercises-improve-hrv?srsltid=AfmBOoqLpseCDGiPuguQR8hdWOYjAyZ7e9x8lazE44IGvmcSr_0mSVZi>
Harvard Health Publishing Staff (2024), Heart rate variability: How it might indicate well-being, Online], Last viewed Wednesday 5th November 2025, <[https://www.health.harvard.edu/blog/heart-rate-variability-new-way-track-well-2017112212789>
Jerath, R., Edry, J. W., Barnes, V. A., & Jerath, V. (2006). Physiology of long pranayamic breathing: Neural respiratory elements may provide a mechanism that explains how slow deep breathing shifts the autonomic nervous system. Medical Hypotheses, 67(3), 566–571.
Lehrer, P., & Gevirtz, R. (2014). Heart rate variability biofeedback: How and why does it work? Frontiers in Psychology, 5, 756.
McCraty, R. and F. Shaffer (2015) Heart Rate Variability: New Perspectives on Physiological Mechanisms, Assessment of Self-regulatory Capacity, and Health Risk, Global Adv. Health Med. 2015;4(1):46-61. DOI:10.7453/gahj.2014.073
Sri Swami Satchidananda (1990), The Yoga Sutras of Patanjali, Integral Yoga Publications, Satchidananda Ashram Yogaville, Virginia
The Conversation (2022), Heart Rate Variability: What to know about this biometric most fitness trackers measure, Online], Last viewed Wednesday 5th October 2022, <[https://theconversation.com/heart-rate-variability-what-to-know-about-this-biometric-most-fitness-trackers-measure-194898>
Wallis, C. (2022), Vijñana-bhairava-tantra verses 22-27: the foundational practice, Online], Last viewed Wednesday 4th November 2025, <[https://hareesh.org/blog/2022/11/30/vijana-bhairava-tantra-verses-22-27-the-foundational-practice>
Zaccaro, A., et al. (2018). How breath-control can change your life: A systematic review on psychophysiological correlates of slow breathing. Frontiers in Human Neuroscience, 12, 353.
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