Wagner P, Röschke J, Mann K, Fell J, et al. (2000)

These authors previously reported two studies of EEG tracings during sleep. In the first (Mann et al., 1996), which employed a power density of 0.5 W/m², they found a hypnotic and REM-suppressive effect in subjects exposed to RF radiation from a GSM 900 MHz phone, pulsed at 217 Hz. In the second (Wagner et al., 1998), using a power density of 0.2 W/m², no significant effects were found.

In this study, 20 healthy males were exposed to the same frequency radiation but at a power density of 50 W/m². The design of the study was otherwise the same. Each subject spent 2 sessions of 3 consecutive nights in the sleep laboratory. The sessions were separated by an interval of at least 7 days. The first night was an adaptation night, and on the second and third nights the subjects were either exposed to the RF radiation or were sham-exposed, with the order being reversed at the second session.

No significant changes were seen in the sleep pattern or in the EEGs as a result of the exposure.

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