Earth & Mind Series, Part 2: Stress and Sleep

In the first installment of the Earth & Mind Series, we explored vagal tone and how it lays the foundation for understanding the complex relationships between the body’s physiological systems and mental well-being. With this groundwork in place, we now move to the next crucial topics: stress and sleep, and how grounding can play a powerful role in mitigating stress and enhancing sleep quality.

By understanding how stress, cortisol, and circadian rhythms interact, we gain insight into why so many people struggle with both stress and poor sleep. Grounding offers a simple yet effective way to restore balance to these systems.

Stress: A Modern Epidemic

Our modern world is heavily laden with stress. Many people live in a constant state of fight-or-flight, driven by overactivity in the sympathetic nervous system. Stress, however, is not inherently bad; it's a natural response to challenges. But chronic stress can wreak havoc on both mental and physical health.

Stress triggers the release of cortisol, a hormone produced by the adrenal glands, which helps the body respond to immediate threats. In a short-term, acute stress situation, cortisol is essential for survival. However, when stress becomes chronic, cortisol levels can remain elevated, leading to a breakdown in the body's ability to regulate stress, contributing to anxiety, depression, and disrupted sleep.

Grounding and Cortisol: Restoring Balance

Grounding has been shown to positively influence the body's cortisol rhythm, especially during sleep. In a study by Maurice Ghaly, MD, and Dale Teplitz, participants suffering from stress, sleep disturbances, and pain slept on conductive, grounded mattress pads for eight weeks. The results were remarkable.

Saliva tests revealed that cortisol levels became more aligned with the body’s natural circadian rhythm—peaking in the morning and lowering at night. Specifically, participants experienced significant drops in nighttime cortisol levels, a critical factor in improving sleep. Moreover, participants reported falling asleep faster, fewer awakenings throughout the night, and feeling more refreshed in the morning.

Why Is This Important?

Cortisol follows a natural 24-hour cycle, which is part of the body’s circadian rhythm. Cortisol levels should peak in the morning to prepare us for the day and then gradually decrease as night falls, allowing melatonin—the hormone responsible for sleep—to take over. But chronic stress and exposure to artificial light, including the electromagnetic fields (EMFs) from electronic devices, can disrupt this balance, causing cortisol levels to remain elevated when they should be falling.

Grounding can help normalize cortisol levels, promoting better sleep by lowering cortisol at night and allowing melatonin production to proceed uninterrupted.

The Role of Sleep in Health and Stress Management

Quality sleep is foundational to maintaining good health. Poor sleep has been linked to numerous chronic conditions, including obesity, heart disease, and even Alzheimer’s disease. When cortisol levels are out of sync, sleep is one of the first things to suffer.

The vicious cycle of stress and poor sleep is well-documented. Elevated nighttime cortisol can lead to insomnia, and sleep deprivation can further elevate stress, keeping the body in a constant state of arousal. Grounding can help break this cycle by promoting a healthier hormonal balance, leading to deeper and more restful sleep.

EMFs, Melatonin, and Sleep Disruption

Beyond stress, another significant disruptor of sleep is exposure to electromagnetic fields (EMFs). Research has shown that EMFs, particularly at night, can interfere with the body's production of melatonin, the hormone that regulates sleep.

Melatonin is produced by the pineal gland and is responsible for regulating the sleep-wake cycle. Exposure to artificial light, especially blue light from screens, can suppress melatonin production, delaying sleep onset and reducing sleep quality. Studies have also linked EMF exposure to altered brain activity during sleep, potentially leading to disturbed sleep patterns.

By grounding, the body’s electrical environment is stabilized, which may reduce the disruptive effects of EMFs. Preliminary research suggests that grounding during sleep not only helps regulate cortisol but may also enhance melatonin production, further improving sleep quality.

Grounding and Melatonin: The Body’s Natural Sleep Aid

In an unpublished study, participants who practiced grounding for six weeks showed increases in melatonin production. Melatonin, often referred to as the "sleep hormone," plays a crucial role in facilitating restful, rejuvenating sleep. Melatonin also has other health benefits, such as supporting the immune system and potentially inhibiting the growth of cancer cells.

With 66% of subjects experiencing increased melatonin levels after sleeping grounded, grounding may provide a natural method for promoting better sleep without the need for external supplements.

Grounding works by re-establishing the body’s natural connection to the Earth’s electrical field. Our bodies evolved in constant contact with the Earth, and there is growing evidence to suggest that this connection plays an important role in regulating physiological processes, including sleep and stress response.

Disconnection from the Earth’s electrical field can disrupt the body’s natural rhythms, including cortisol and melatonin cycles. Grounding helps to re-align these cycles, allowing for improved regulation of stress and sleep patterns.

How to Incorporate Grounding Into Your Routine

  • Sleep grounded: Use grounding sheets or mattress pads while you sleep to maintain a connection with the Earth.

  • Walk barefoot: Spend time walking barefoot on natural surfaces like grass, sand, or dirt to connect with the Earth’s electrical field.

  • Use grounding mats: Place a grounding mat under your desk or wherever you spend time sitting to maintain a grounded connection during the day.

  • Ground before bed while watching the sunset: Spend time grounding outdoors in the evening while watching the sunset. The natural light from the sunset sends the right signals to your eyes and brain, preparing your body for sleep and enhancing the grounding experience for a restful night.

This simple routine can help realign your body’s natural rhythms and promote deeper, more restorative sleep.

The science on stress and sleep shows how intricately connected these systems are to our overall health. By addressing both stress and sleep issues with grounding, we can achieve a more balanced hormonal profile, improve sleep quality, and better manage the effects of chronic stress. Grounding offers a natural, non-invasive method to restore these vital connections and regulate the body’s internal rhythms.


Summary:

Chronic stress leads to elevated cortisol levels, disrupting the body's natural rhythms and impairing sleep quality. Grounding has been shown to help restore healthy cortisol patterns, aligning them with the body's circadian rhythm. This, in turn, improves sleep quality and reduces stress.

Research indicates that grounding may lower nighttime cortisol levels and increase melatonin production, further promoting restful sleep. Grounding also helps mitigate the negative effects of electromagnetic fields (EMFs), which can interfere with sleep and stress regulation.

Incorporating grounding into daily routines, such as walking barefoot, using grounding mats, or spending time outdoors while getting natural light, provides natural support for regulating stress and sleep patterns.

If you’re interested in learning more about grounding and the body, check out Earth & Water.







Further Reading:

https://www.stress.org/daily-life

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Chrousos GP. (2009). Stress and disorders of the stress system. Nature Reviews Endocrinology, 5(7), 374-381. DOI: 10.1038/nrendo.2009.106

Oster H, Challet E, Ott V, Arvat E, de Kloet ER, Dijk DJ, Lightman S, Vgontzas A, Van Cauter E. The Functional and Clinical Significance of the 24-Hour Rhythm of Circulating Glucocorticoids. Endocr Rev. 2017 Feb 1;38(1):3-45. doi: 10.1210/er.2015-1080. PMID: 27749086; PMCID: PMC5563520.

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Huber et. al. demonstrated that exposure to pulsed high-frequency electromagnetic field during waking affects human sleep EEG and alter regional cerebral blood flow and sleep and waking EEG

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Belpomme D, Irigaray P. Electrohypersensitivity as a Newly Identified and Characterized Neurologic Pathological Disorder: How to Diagnose, Treat, and Prevent It. Int J Mol Sci. 2020 Mar 11;21(6):1915. doi: 10.3390/ijms21061915. PMID: 32168876; PMCID: PMC7139347.

Ghaly, Maurice & Teplitz, Dale. (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 (New York, N.Y.). 10. 767-76. 10.1089/acm.2004.10.767. 

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Matsude et. al. found that Poor sleep quality was highly prevalent and associated with depression and anxiety in cardiovascular patients.

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https://www.sleepfoundation.org/how-sleep-works/sleep-facts-statistics

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West KE, Jablonski MR, Warfield B, Cecil KS, James M, Ayers MA, Maida J, Bowen C, Sliney DH, Rollag MD, Hanifin JP, Brainard GC. Blue light from light-emitting diodes elicits a dose-dependent suppression of melatonin in humans. J Appl Physiol (1985). 2011 Mar;110(3):619-26. doi: 10.1152/japplphysiol.01413.2009. Epub 2010 Dec 16. PMID: 21164152.

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Earth & Mind Series, Part 3 - Sleep and Alzheimer’s

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Earth & Mind Series, Part 1: The Nervous System and Vagal Tone