8,700 Studies Reviewed. 87.0% Found Biological Effects. The Evidence is Clear.
Shield Your Body
Brain & Nervous System

Inter‐individual and intra‐individual variation of the effects of pulsed RF EMF exposure on the human sleep EEG

Bioeffects Seen

Lustenberger, C., Murbach, M., Tüshaus, L., Wehrle, F., Kuster, N., Achermann, P. and Huber, R. · 2015

View Original Abstract
Share:

Cell phone radiation alters brain wave patterns during sleep at typical usage levels, with effects varying significantly between individuals.

Plain English Summary

Summary written for general audiences

Researchers exposed 20 young men to cell phone-level radiation (900 MHz) for 30 minutes before sleep on two separate occasions, then monitored their brain waves throughout the night. They found that RF exposure increased delta-theta brain wave activity in the frontal-central regions during deep sleep, but these effects varied significantly between individuals and weren't consistent when the same person was tested twice.

Why This Matters

This research reveals something crucial that the wireless industry rarely discusses: radiofrequency radiation demonstrably alters brain activity during sleep at exposure levels typical of cell phone use (2 W/kg SAR). The science demonstrates that even brief 30-minute exposures can change brain wave patterns throughout an entire night of sleep, specifically increasing delta-theta activity in regions critical for cognitive function. What makes this study particularly significant is its real-world relevance - the 900 MHz frequency and 2 W/kg exposure level mirror what millions experience daily from their mobile devices. The finding that individuals respond differently to RF exposure suggests some people may be more vulnerable to these neurological effects than others, which has profound implications for public health policy that currently treats everyone as equally resistant to EMF effects.

Exposure Details

SAR
2 W/kg
Source/Device
900 MHz
Exposure Duration
30 min

Exposure Context

This study used 2 W/kg for SAR (device absorption):

Building Biology guidelines are practitioner-based limits from real-world assessments. BioInitiative Report recommendations are based on peer-reviewed science. Check Your Exposure to compare your own measurements.

Where This Falls on the Concern Scale

Study Exposure Level in ContextStudy Exposure Level in ContextThis study: 2 W/kgExtreme Concern - 0.1 W/kgFCC Limit - 1.6 W/kgEffects observed in the Extreme Concern rangeFCC limit is 1x higher than this level
A logarithmic frequency spectrum from 10 Hz to 100 GHz showing where this study's 900 MHz exposure sits relative to common EMF sources.Where This Frequency Sits on the EMF SpectrumELFVLFLF / MFHF / VHFUHFSHFmm10 Hz100 GHzThis study: 900 MHzPower lines50/60 Hz5G mm28 GHzLogarithmic scale

Study Details

Our study aimed to investigate inter‐individual variation and intra‐individual stability of field effects.

To do so, we exposed 20 young male subjects twice for 30 min prior to sleep to the same amplitude mo...

The topographical analysis of EEG power during all‐night non‐rapid eye movement sleep revealed: (1) ...

Cite This Study
Lustenberger, C., Murbach, M., Tüshaus, L., Wehrle, F., Kuster, N., Achermann, P. and Huber, R. (2015). Inter‐individual and intra‐individual variation of the effects of pulsed RF EMF exposure on the human sleep EEG Bioelectromagnetics. 36(3) 169, 2015.
Show BibTeX
@article{lustenberger_2015_interindividual_and_intraindividual_variation_134,
  author = {Lustenberger and C. and Murbach and M. and Tüshaus and L. and Wehrle and F. and Kuster and N. and Achermann and P. and Huber and R.},
  title = {Inter‐individual and intra‐individual variation of the effects of pulsed RF EMF exposure on the human sleep EEG},
  year = {2015},
  doi = {10.1002/bem.21893},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.21893},
}
DOI: 10.1002/bem.21893

Cited By (33 papers)

View all 33 citing papers on Semantic Scholar

Quick Questions About This Study

Yes, a 2015 study found that 30 minutes of 900 MHz cell phone radiation before sleep increased delta-theta brain wave activity in the frontal-central regions during deep sleep. However, these effects varied significantly between individuals and weren't consistent when the same person was tested twice.
No, research shows significant inter-individual variation in how 900 MHz radiation affects sleep brain waves. The 2015 study found that while some people showed increased delta-theta activity during deep sleep, the effects weren't reproducible when the same individuals were tested on separate occasions.
Currently no. The 2015 study by Lustenberger and colleagues found it remains unclear whether a biological trait exists that determines how individual brains react to RF EMF exposure. Sleep EEG responses to 900 MHz radiation weren't reproducible within the same subjects.
No, the 2015 study found no differences in sleep spindle frequency activity after 30 minutes of 900 MHz radiation exposure before bed. While delta-theta brain waves increased in some frontal-central regions, spindle activity remained unchanged throughout the night in 20 young male participants.
The 2015 study monitored participants' brain waves throughout the entire night after 30 minutes of 900 MHz exposure before bed. Delta-theta activity increases were observed during non-rapid eye movement sleep, but the research doesn't specify exactly how long these changes persisted.