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Sleep & Circadian Rhythm

Effects of electromagnetic fields emitted from W-CDMA-like mobile phones on sleep in humans.

No Effects Found

Nakatani-Enomoto S, Furubayashi T, Ushiyama A, Groiss SJ, Ueshima K, Sokejima S, Simba AY, Wake K, Watanabe SI, Nishikawa M, Miyawaki K, Taki M, Ugawa Y. · 2013

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Continuous wave EMF exposure for 3 h from a W-CDMA-like system had no detectable effects on human sleep.

Plain English Summary

Summary written for general audiences

Researchers exposed 19 volunteers to real or sham electromagnetic fields for 3 h before sleep on three consecutive days in a double-blind design. No significant differences were found in subjective feelings, sleep stage percentages, or EEG power spectra between real and sham exposures. The researchers concluded that the exposure had no detectable effects on human sleep.

Why This Matters

The study aimed to investigate subjective and objective effects of a W-CDMA-like mobile phone system on human sleep. Sleepiness and sleep insufficiency were assessed the next morning, and polysomnograms were recorded to analyze sleep variables and EEG power spectra.

Exposure Information

Specific exposure levels were not quantified in this study. Duration: 3 hr

Study Details

In this study, we investigated subjective and objective effects of mobile phones using a Wideband Code Division Multiple Access (W‐CDMA)‐like system on human sleep.

Subjects were 19 volunteers. Real or sham electromagnetic field (EMF) exposures for 3 h were perform...

No significant differences were observed between the two conditions in subjective feelings. Sleep pa...

We conclude that continuous wave EMF exposure for 3 h from a W‐CDMA‐like system has no detectable effects on human sleep.

Cite This Study
Nakatani-Enomoto S, Furubayashi T, Ushiyama A, Groiss SJ, Ueshima K, Sokejima S, Simba AY, Wake K, Watanabe SI, Nishikawa M, Miyawaki K, Taki M, Ugawa Y. (2013). Effects of electromagnetic fields emitted from W-CDMA-like mobile phones on sleep in humans. Bioelectromagnetics. 2013 Aug 22. doi: 10.1002/bem.21809.
Show BibTeX
@article{s_2013_effects_of_electromagnetic_fields_2786,
  author = {Nakatani-Enomoto S and Furubayashi T and Ushiyama A and Groiss SJ and Ueshima K and Sokejima S and Simba AY and Wake K and Watanabe SI and Nishikawa M and Miyawaki K and Taki M and Ugawa Y. },
  title = {Effects of electromagnetic fields emitted from W-CDMA-like mobile phones on sleep in humans.},
  year = {2013},
  doi = {10.1002/bem.21809},
  url = {https://onlinelibrary.wiley.com/doi/abs/10.1002/bem.21809},
}
DOI: 10.1002/bem.21809

Cited By (34 papers)

View all 34 citing papers on Semantic Scholar

Quick Questions About This Study

Continuous wave EMF exposure for 3 h from a W-CDMA-like system had no detectable effects on human sleep.
The study included 19 volunteers. Real or sham EMF exposures for 3 h were performed before their usual sleep time on three consecutive days in a double-blind design.
Volunteers received real or sham EMF exposure for 3 h before their usual sleep time on three consecutive days in a double-blind design.
Sleep stage percentages and EEG power spectra were analyzed from polysomnograms.
No significant differences were observed in subjective feelings between real and sham exposures.