There are more like different classes of work, 1. interruptible work 2. non-interruptible work With interruptible work, you can get interrupted and get back t

There are more like different classes of work, 1. interruptible work 2. non-interruptible work With interruptible work, you can get interrupted and get back to doing what you were doing with no/minimal disruption. With non-interruptible work, it really disrupts you flow and may take some time to get back on track, disruptions just increase the Signal/Noise ratio. And as the others saying, not only programming, but any kind of work can be disrupted by interruptions.