The GeoSomni Grounding Research Podcast

GeoSomni
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The GeoSomni Grounding Research Podcast explores what the science actually says about grounding, earthing and grounding products. Each episode examines one focused question — from sleep and cortisol to inflammation, pain and recovery — using published research in clear, accessible language. We look at what studies found, how strong the evidence is, where the limitations are, and what remains uncertain. Learn more about GeoSomni at https://geosomnigroup.com/

Episodes

  1. 5d ago

    Grounding and Blood Viscosity: What the Research Shows

    Episode 03: Grounding and Blood Viscosity — What Happened to Red Blood Cells? What happens to red blood cells when the human body is grounded? In this episode of The GeoSomni Grounding Research Podcast, we examine a small but fascinating group of human studies investigating grounding, red blood cell electrical properties, blood-cell aggregation, whole-blood viscosity and microcirculation. We look at the 2013 experiment that reported a substantial increase in the magnitude of red blood cell zeta potential after two hours of grounding, alongside changes in how the cells clustered together. Then we examine a later controlled study that went a step further and directly measured whole-blood viscosity in grounded and sham-grounded participants. We also explore preliminary research using laser imaging to investigate superficial facial blood-flow patterns during grounding. The findings are intriguing, but the research remains early. We distinguish carefully between what scientists actually measured, what the studies suggest, and the mechanisms that remain hypotheses. For a detailed breakdown of the studies, results, limitations and what the evidence does — and does not — show: https://geosomnigroup.com/2026/08/18/grounding-and-blood-viscosity-what-the-research-shows/ Interested in grounding at home? GeoSomni grounding mats are designed to provide a simple way to establish a conductive connection to ground while sitting, working or relaxing. View the GeoSomni Grounding Mat on Amazon: https://www.amazon.com/dp/B0FDL53SWS?maas=maas_adg_41D84FAA9BD9B8928A4D102ECB1DAA60_afap_abs&ref_=aa_maas&tag=maas Chevalier G, Sinatra ST, Oschman JL, Delany RM. (2013).Earthing (Grounding) the Human Body Reduces Blood Viscosity—a Major Factor in Cardiovascular Disease.The Journal of Alternative and Complementary Medicine, 19(2), 102–110.https://doi.org/10.1089/acm.2011.0820 Chevalier G. (2014).Grounding the Human Body Improves Facial Blood Flow Regulation: Results of a Randomized, Placebo Controlled Pilot Study.Journal of Cosmetics, Dermatological Sciences and Applications, 4, 293–308.https://doi.org/10.4236/jcdsa.2014.45039 Brown R, Chevalier G. (2015).Grounding the Human Body during Yoga Exercise with a Grounded Yoga Mat Reduces Blood Viscosity.Open Journal of Preventive Medicine, 5, 159–168.https://doi.org/10.4236/ojpm.2015.54019 The GeoSomni Grounding Research Podcast explores the scientific research into grounding — what researchers have found, what remains uncertain, and where the evidence may be heading. Evidence. Clarity. Informed choices. This podcast is provided for educational and informational purposes only and is not medical advice. Preliminary research discussed in this episode should not be used as a basis for changing prescribed medication or medical treatment.

  2. 5d ago

    Grounding and Muscle Recovery: Can Grounding Help After Exercise?

    Grounding, Muscle Soreness & Exercise Recovery Can grounding help the body recover after strenuous exercise? In this episode of The GeoSomni Grounding Research Podcast, we explore the human research investigating grounding, delayed-onset muscle soreness (DOMS), muscle damage and exercise recovery. We look at early experiments that reported interesting differences in creatine kinase (CK), immune and inflammatory markers, as well as a later triple-blinded study that found potentially favourable differences in some measures of strength and physical performance during recovery. One of the most interesting themes to emerge is that physiological recovery and feeling less sore may not necessarily be the same thing. While several studies have reported promising biological or functional findings, reductions in subjective muscle soreness have been less consistent. We also look at a newer short-duration grounding-mat study that found no significant reduction in soreness following a 30-minute pre-exercise grounding session — raising an interesting question about whether the timing and duration of grounding may matter. The research is still preliminary, but these early human studies provide some intriguing signals and good reasons for further investigation. Explore the studies and findings in more detail on the GeoSomni website: https://geosomnigroup.com/2026/08/18/grounding-and-muscle-recovery-can-grounding-help-after-exercise/ Want to incorporate grounding into your everyday routine? Shop GeoSomni Grounding Mats on Amazon: https://www.amazon.com/dp/B0FDL53SWS?maas=maas_adg_41D84FAA9BD9B8928A4D102ECB1DAA60_afap_abs&ref_=aa_maas&tag=maas Brown D, Chevalier G, Hill M. (2010).Pilot Study on the Effect of Grounding on Delayed-Onset Muscle Soreness.Journal of Alternative and Complementary Medicine, 16(3), 265–273.https://journals.sagepub.com/doi/full/10.1089/acm.2009.0399 Brown R, Chevalier G, Hill M. (2015).Grounding after moderate eccentric contractions reduces muscle damage.Open Access Journal of Sports Medicine, 6, 305–317.https://www.dovepress.com/grounding-after-moderate-eccentric-contractions-reduces-muscle-damage-peer-reviewed-fulltext-article-OAJSM Müller E, Pröller P, Ferreira-Briza F, Aglas L, Stöggl T. (2019).Effectiveness of Grounded Sleeping on Recovery After Intensive Eccentric Muscle Loading.Frontiers in Physiology, 10, 35.https://www.frontiersin.org/journals/physiology/articles/10.3389/fphys.2019.00035/full Ramos Salinas PN, Smith JD. (2026).Effect of Earthing with Grounding Mats on Delayed Onset Muscle Soreness.International Journal of Exercise Science: Conference Proceedings.https://digitalcommons.wku.edu/ijesab/vol2/iss18/175/ GeoSomni — Reconnect. Rest. Restore. This podcast is for educational and informational purposes only and is not intended as medical advice.

  3. Aug 15

    Do Grounding Mats actually improve sleep? (What the research says)

    Grounding & Sleep: What Does the Research Actually Show? Can grounding actually help you sleep better? In this episode of The GeoSomni Grounding Research Podcast, we take a close look at the research investigating grounding and sleep — from an early cortisol study to a recent randomized, double-blind, placebo-controlled human trial. We explore what researchers have found about total sleep time, sleep quality, insomnia, daytime sleepiness and cortisol, as well as a small study involving people with mild Alzheimer's disease and newer animal research examining possible biological mechanisms. Most importantly, we separate the promising findings from what the science has not yet established. The current evidence suggests that grounding may influence some aspects of sleep, but the research is still small and preliminary. Grounding has not been established as a treatment for insomnia or other sleep disorders, and larger independent studies are needed. For a deeper breakdown of the studies, results and limitations: Grounding and Sleep: What Does the Research Actually Show?https://geosomnigroup.com/2026/08/13/grounding-and-sleep-what-does-the-research-actually-show/ Interested in trying grounding for yourself? GeoSomni Grounding Floor Mat on Amazon:https://www.amazon.com/dp/B0FDL53SWS?maas=maas_adg_41D84FAA9BD9B8928A4D102ECB1DAA60_afap_abs&ref_=aa_maas&tag=maas Park et al. (2025)A randomized, double-blind, placebo-controlled study on the improvement of sleep quality with Earthing mat.Advances in Integrative Medicine.https://www.sciencedirect.com/science/article/pii/S2212958825000059 Lin et al. (2022)Grounding the Body Improves Sleep Quality in Patients with Mild Alzheimer's Disease: A Pilot Study.Healthcare.https://www.mdpi.com/2227-9032/10/3/581 Ghaly & Teplitz (2004)The Biologic Effects of Grounding the Human Body During Sleep as Measured by Cortisol Levels and Subjective Reporting of Sleep, Pain, and Stress.Journal of Alternative and Complementary Medicine.https://pubmed.ncbi.nlm.nih.gov/15650465/ Ye et al. (2024) — Animal StudyEffect of Earthing Mats on Sleep Quality in Rats.International Journal of Molecular Sciences.https://www.mdpi.com/1422-0067/25/18/9791 University of Michigan Medical School (2025)Can 'Grounding' Sheets Actually Help Me Sleep?https://medschool.umich.edu/department-news/can-grounding-sheets-actually-help-me-sleep About The GeoSomni Grounding Research Podcast The GeoSomni Grounding Research Podcast examines the published research behind grounding and earthing — including encouraging findings, negative or inconclusive results, study limitations and unanswered questions — to help you make more informed choices about grounding. GeoSomni — Reconnect. Rest. Restore. This podcast is for educational purposes only and is not medical advice. Grounding products are not intended to diagnose, treat, cure or prevent disease. If you are experiencing persistent or significant sleep problems, speak with an appropriately qualified healthcare professional.

  • 3 Episodes

About

The GeoSomni Grounding Research Podcast explores what the science actually says about grounding, earthing and grounding products. Each episode examines one focused question — from sleep and cortisol to inflammation, pain and recovery — using published research in clear, accessible language. We look at what studies found, how strong the evidence is, where the limitations are, and what remains uncertain. Learn more about GeoSomni at https://geosomnigroup.com/

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