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Study

Earthing May Influence Body Functions During Sleep in Adults

Sleeping while earthed can change key body functions, including blood sugar levels and thyroid activity.

Study Credibility: Low4.1/10Early findingsNot enough evidence yetTalk with your clinician
PublishedMay 2026Last reviewedMay 2026
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Summary

In plain language

New research suggests that connecting with the Earth during sleep, a process known as earthing, could influence various body functions. In experiments with participants ranging from 20 to 64 years old, those who were earthed showed changes in their blood levels of calcium, iron, and glucose, among other elements. Notably, earthing was linked to a reduction in blood glucose levels, especially beneficial for those managing diabetes. This study highlights earthing as a potential factor in regulating body processes, which might help some seniors improve their health. However, it's important to talk to your healthcare provider before trying new wellness practices.

Details

Use the full description to understand the study design, methods, and the limits of the findings.

This study explored the effects of earthing, where the body is connected to the Earth using a copper conductor while sleeping, on various physiological processes.

  • The study involved several experiments with over 100 participants, examining impacts on elements like calcium and glucose levels.

  • Key findings included reduced blood glucose in diabetic participants and changes in thyroid hormone levels, suggesting potential health benefits.

  • However, the study's sample was varied in age and health, and further research is needed to confirm these findings.

It's always a good idea to discuss new health practices with your healthcare provider to ensure they're safe and suitable for you.

Research Quality Score

Scored May 28, 2026 using rubric v9_2026-04-08.

Assessment

The study explores the effects of earthing on physiological processes through a series of small experiments. While it employs a double-blind technique, the small sample sizes and lack of comprehensive randomization limit its methodological rigor. Statistical analysis is basic, and transparency is limited by the absence of protocol registration and data sharing. The study lacks a conflict of interest disclosure, and its relevance to seniors is minimal due to the age range of participants. Published in a mid-tier journal, the study's findings have not been replicated or externally validated.

Category Breakdown

CategoryScoreRating
Study design5.0/10
Bias control3.3/10
Statistical methods5.0/10
Reporting completeness5.0/10
Conflicts & funding5.0/10
Replication0.0/10
Relevance to chosen population0.0/10
Journal Reliability5.0/10

Additional Notes

The study's exploratory nature and small sample sizes suggest that findings should be interpreted with caution. Further research with larger, more diverse populations and rigorous methodologies is needed to validate these results.

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