earth loops. earth loops (ie, more than one earth inside a house circuit) dramatically increases the ambient EMF. that EMF penetrates easily inside your body and reduces sleep depth. there is the main cause of the problem: retarding your immune system. i inadvertently caused this situation for myself in a house in rural Madeira 6 months ago. on top of difficult housemates my stress levels got so high i was ready to just plop myself down in belgrade and see what i can see. fortunately, a friend with property in croatia suggested i go there. i've been rebuilding myself ever since. oscillating magnetic fields are toxic to life no matter what. the reason why the big screen is a problem is because it's a giant high frequency radio that at operating distance is doing the same thing. one of the occupational hazards of being a computer programmer...