Your brain is the most sensitive antenna in the universe. Which is why astrological phenomena hundreds of thousands of miles away can affect your mood. So a little electrical box in your house should have some effect.

I can vouch that leaving your cell phone outside your bedroom, as far away as possible, has stopped my horrendous reoccurring nightmares. We don't have any electronics in our bedroom except a humidifier. If I forget and have my phone in the room I have nightmares.