You surely don't mean total silence like in the article, but in a relatively silent room. I can imagine that you need the silence to build the worlds and for sensemaking, when you read.

The mode your brain works in the office and when reading a book are entirely different. You can visually, emotionally, auditory, or sensually build worlds just using your imagination which is fed by reading the words and sentences of your book. In the office, you can at most have a daydream though. What you do at the office is switching between multiple inputs and silence would only intensify individual signals. That's why many people like to hear music or prefer a little more noise to reduce the intensity the inputs have on you. By input I mean each task you do, including observing things, selecting and choosing the actions you want to do, plan in advance, keep a record and order of things, imagine future action, or dream about outcomes. and situations