also, just on the last point, it's not about neuroelectric signal induction, although that may at some point matter, but probably not without an implant into your brain - it's about the moderate ionising effects of especially microwave bands like 20 and 80ghz, and more generally, the clouding of sensing of schumann resonance diurnal oscillation timing and its effect on endocrine clocks 

 Cave man not know what you talk about. Cave man just walk on grass. 

 cave man get drownd