the ability to do deep work in our distracted culture is both increasingly rare and increasingly valuable. The opposite of deep work, Newport said, is shallow work. Shallow work is “noncognitively demanding, logistical-style tasks, often performed while distracted.”5 Your Yellow and Red Zones are great places for that. And there is, inevitably, shallow work in all our lives. But your Green Zone? That’s something worth protecting and optimizing.