sleepingnomore

Many things can cause ringing in the ears. Once you have ruled out a medical reason, then check for high EMF fields. Microwave towers in your area can also cause this.

That being said, there are other types of ringing and humming noises that sensitive people pick up. I know because I do also and I'm very sensitive to energy. The difference is that it's not an annoying sensation but more of a harmonious one.