I have done my research and am almost ready to buy! Mattresses with coils seem to be the most comfortable for me. However, I’m concerned about the metal and conduction of electricity. I would appreciate any guidance about this. Thank you.
Hi farrisdannean,
Welcome to the Mattress Forum! 
You can see some comments about innersprings and electromagnetic (EMF) fields in posts #2 and #3 here. It’s certainly not something that would concern me in any way.
I’m certainly not a health professional or an expert in electromagnetic fields but EMF fields from mattress innersprings are a very controversial subject and there are certainly some people that believe they are harmful although I’m not one of them. I have seen and read article that make comments about innersprings being a “health” issue because of electromagnetic fields, but I have never seen any specific evidence that is compelling to me and most of these types of articles use some very non specific anecdotal stories or what I would consider to be some questionable correlations that don’t provide any clear evidence that would directly relate to innersprings or metal frames. I would personally be more cautious with “active” electromagnetic fields (such as living close to high tension wires, holding a cell phone too close to your head, or sleeping near active electrical fields or wiring as examples), but I personally wouldn’t have any issues with sleeping on an innerspring in terms of health or safety (although I recognize that there are certainly others that have a different opinion).
A forum search on electromagnetic (you can just click the link) will bring up more comments and feedback about EMF’s as well.
Phoenix