Trial · Park et al., Advances in Integrative Medicine(2025)
Randomized placebo-controlled trial of an earthing mat and sleep(opens in a new tab)
- Findings and study population
- The trial allocated 60 participants and evaluated 31 days of mat use, reporting a sleep-duration difference alongside null between-group questionnaire results.
- Limitations and differences from this claim
- Baseline insomnia imbalance, inconsistent participant counts, and industry funding/product supply limit interpretation; findings do not extend to nature contact, qi, or general symptoms.
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