Is True Silence Even Possible, or Is the Universe Always Making Noise?

Silence sounds simple until you try to find it. We usually think of it as the absence of noise: no traffic, no conversations, no phone buzzing, no refrigerator humming in the background like it has a tiny emotional support motor. But the moment the world gets quiet, something interesting happens. You start noticing your breath, your heartbeat, a faint ringing in your ears, or the soft creaks of a room that apparently has opinions.