There are 2 studies that match your criteria.
Criteria: Study Type=In Vivo,Freq Range=0 - 300 Hz (Static, ELF),Study Subtype=EEG, Event Related Potentials, Sleep Disturbances

View This Study - Citation No: 6019
Title	Investigationof Effectsof Short-Term Exposure to 50 Hz Magnetic Field on Central, Peripheral, and Autonomic Nervous Systems in Rats.
Reference	Bioelectromagneitcs., Vol. 36, Pg. 420 - 429, 2015
Author(s)	Elmas O., Comiekci S.
PubMed UID
Project ID	2495
View This Study - Citation No: 6784
Title	EFFECTS OF EXTREMELY LOW-FREQUENCY ELECTRIC FIELDS AT DIFFERENT INTENSITY AND EXPOSURE DURATION ON MISMATCH NEGATIVITY.
Reference	Neuroscience., Vol. 272, Pg. 154 - 166, 2014
Author(s)	Gok D. K., Akpinar D., Yargicoglu P., Aslan M., Agar A., et al. .
PubMed UID
Project ID	2707