Underwater Meditation & the Blue Mind State: A Science-Based Framework for Default Mode Network Coherence, HRV Enhancement, and Emotional Regulation
Deepanshu Bansal
International Journal of Drug Delivery Technology April 23, 2026 DOI: 10.25258/ijddt.16.17s.25 (opens in new tab)
Study at a glance
AI-extracted from the abstract| Characteristics | Theoretical or philosophical paper Peer reviewed |
|---|---|
| Interventions | underwater meditation ice baths breath-hold training mindful immersion near lakes or oceans |
| Topics | Default mode network Meditation |
| Key points | Proposes that underwater meditation activates a "Blue Mind State" characterized by DMN coherence, increased HRV, enhanced vagal tone, reduced sympathetic arousal, improved attentional control, emotional stability, and reduced anxiety and ADHD symptoms. |
Abstract
Water-based contemplative practices—from full-body underwater meditation to ice baths, breath-hold training, and mindful immersion near lakes or oceans—are associated with profound psychological and physiological benefits. While most mindfulness literature emphasizes silencing the Default Mode Network (DMN), emerging evidence suggests a more nuanced truth: the DMN does not need to be turned off—it needs to be brought into coherence. This paper proposes a unified neurobiological model explaining how underwater meditation activates the “Blue Mind State”, characterized by: • DMN coherence (not suppression) • Increased HRV • Enhanced vagal tone • Reduced sympathetic arousal • Improved attentional control • Emotional stability • Reduced anxiety and ADHD symptoms This work integrates findings from neuroscience, cardiophysiology, hydrodynamics, quantum biology, baroreflex physiology, vestibular modulation, and breathwork science, and presents underwater meditation as a novel, accessible tool for restoring autonomic balance and mental well-being.
Comparable studies
Other theoretical and historical papers on default mode network, most cited first.
| Study | Year | Design | Participants |
|---|---|---|---|
| The entropic brain: a theory of conscious states informed by neuroimaging research with psychedelic drugs | 2014 | Theoretical or philosophical paper | |
| The default mode network in cognition: a topographical perspective | 2021 | Theoretical or philosophical paper | |
| The default mode network: where the idiosyncratic self meets the shared social world | 2021 | Theoretical or philosophical paper | |
| The default-mode, ego-functions and free-energy: a neurobiological account of Freudian ideas | 2010 | Theoretical or philosophical paper | |
| Cooperation between the default mode network and the frontal–parietal network in the production of an internal train of thought | 2011 | Theoretical or philosophical paper |