In 40 seconds
The Schumann resonance is Earth's natural electromagnetic resonance — primarily 7.83 Hz, with harmonics at 14.07, 20.25, 26.41, and 32.45 Hz. The frequency falls within human alpha brainwave range, which is why it's used in many PEMF protocols for relaxation, sleep, and stress reduction. The 'we evolved alongside this frequency' theory is plausible but not definitively proven. What is clear: 7.83 Hz protocols produce reliable relaxation effects in clinical PEMF use, similar to what people report with grounding/earthing.
Quick facts
- Frequency: 7.83 Hz primary, plus harmonics
- Discovered: 1952 by Winfried Otto Schumann
- Brainwave overlap: Alpha range (relaxation)
- Used for: Sleep, calm, circadian alignment
- Earthing comparison: Similar relaxation effects reported
Practical guidance
See FAQ below for specific scenarios.
Contraindications
Standard PEMF contraindications: pacemakers, defibrillators, cochlear implants, insulin pumps, electronic implants; active malignancy without specialist clearance; pregnancy (over the abdomen); active infection; epilepsy without GP clearance.
Frequently asked questions
Is the Schumann resonance real?
Yes — it's a measurable electromagnetic phenomenon caused by lightning activity in the Earth-ionosphere cavity. Real physics, not pseudoscience.
Why use it for PEMF?
The frequency overlaps with human alpha brainwaves and reliably produces relaxation responses. Whether the 'we evolved alongside it' explanation is correct or not, the practical effect is consistent.
Same as earthing or grounding?
Different mechanism but related claims. Earthing connects you to Earth's electrical charge; PEMF Schumann mimics the electromagnetic resonance via a device. Both reportedly produce similar relaxation effects.
Does it actually work?
For relaxation, sleep, and stress — patient reports are consistent. RCT-grade evidence is limited. The mechanism is plausible.
Looking for a PEMF clinic near you?
We list every credible PEMF therapy provider in the UK so you can find one near home.