Deep Work: Professional activities performed in a state of distraction-free concentration that push your cognitive capabilities to their limit. These efforts create new value, improve your skill, and are hard to replicate. Deep

The Deep Work Hypothesis: The ability to perform deep work is becoming increasingly rare at exactly the same time it is becoming increasingly valuable in our economy. As a consequence, the few who cultivate this skill, and then make it the core of their working life, will thrive.

We have now seen two strands of thought — one about the increasing scarcity of deep work and the other about its increasing value — which we can combine into the idea that provides the foundation for everything that follows in this book: The Deep Work Hypothesis: The ability to perform deep work is becoming increasingly rare at exactly the same time it is becoming increasingly valuable in our economy. As a consequence, the few who cultivate this skill, and then make it the core of their working life, will thrive.

The second reason that deep work is valuable is because the impacts of the digital network revolution cut both ways. If you can create something useful, its reachable audience (e.g., employers or customers) is essentially limitless — which greatly magnifies your reward. On the other hand, if what you’re producing is mediocre, then you’re in trouble, as it’s too easy for your audience to find a better alternative online. Whether you’re a computer programmer, writer, marketer, consultant, or entrepreneur, your situation has become similar to Jung trying to outwit Freud, or Jason Benn trying to hold his own in a hot start-up: To succeed you have to produce the absolute best stuff you’re capable of producing — a task that requires depth.

Deep work should be a priority in today’s business climate. But it’s not. I’ve just summarized various explanations for this paradox. Among them are the realities that deep work is hard and shallow work is easier, that in the absence of clear goals for your job, the visible busyness that surrounds shallow work becomes self-preserving, and that our culture has developed a belief that if a behavior relates to “the Internet,” then it’s good — regardless of its impact on our ability to produce valuable things. All of these trends are enabled by the difficulty of directly measuring the value of depth or the cost of ignoring it.

Deep work is at a severe disadvantage in a technopoly because it builds on values like quality, craftsmanship, and mastery that are decidedly old-fashioned and nontechnological. Even worse, to support deep work often requires the rejection of much of what is new and high-tech.

the deep work novice. As I established in the opening to this rule, the ability to rapidly switch your mind from shallow to deep mode doesn’t come naturally. Without practice, such switches can seriously deplete your finite willpower reserves. This habit also requires a sense of confidence in your abilities — a conviction that what you’re doing is important and will succeed. This type of conviction is typically built on a foundation of existing professional accomplishment.

When we step back from these individual observations, we see a clear argument form: To produce at your peak level you need to work for extended periods with full concentration on a single task free from distraction. Put another way, the type of work that optimizes your performance is deep work. If you’re not comfortable going deep for extended periods of time, it’ll be difficult to get your performance to the peak levels of quality and quantity increasingly necessary to thrive professionally. Unless your talent and skills absolutely dwarf those of your competition, the deep workers among them will outproduce you.

Shallow Work: Noncognitively demanding, logistical-style tasks, often performed while distracted. These efforts tend to not create much new value in the world and are easy to replicate.

Then there’s the issue of cognitive capacity. Deep work is exhausting because it pushes you toward the limit of your abilities. Performance psychologists have extensively studied how much such efforts can be sustained by an individual in a given day.* In their seminal paper on deliberate practice, Anders Ericsson and his collaborators survey these studies. They note that for someone new to such practice (citing, in particular, a child in the early stages of developing an expert-level skill), an hour a day is a reasonable limit. For those familiar with the rigors of such activities, the limit expands to something like four hours, but rarely more.

To learn hard things quickly, you must focus intensely without distraction. To learn, in other words, is an act of deep work. If you’re comfortable going deep, you’ll be comfortable mastering the increasingly complex systems and skills needed to thrive in our economy. If you instead remain one of the many for whom depth is uncomfortable and distraction ubiquitous, you shouldn’t expect these systems and skills to come easily to you. Deep Work Helps You Produce at an Elite Level Adam Grant produces at an elite level. When I met Grant in 2013, he was the youngest professor to be awarded tenure at the Wharton School of Business at Penn. A year later, when I started writing this chapter (and was just beginning to think about my own tenure process), the claim was updated: He’s now the youngest full professor* at Wharton. The reason Grant advanced so quickly in his corner of academia is simple: He produces. In 2012, Grant published seven articles — all of them in major journals. This is an absurdly

In an age of network tools, in other words, knowledge workers increasingly replace deep work with the shallow alternative — constantly sending and receiving e-mail messages like human network routers, with frequent breaks for quick hits of distraction. Larger efforts that would be well served by deep thinking, such as forming a new business strategy or writing an important grant application, get fragmented into distracted dashes that produce muted quality. To make matters worse for depth, there’s increasing evidence that this shift toward the shallow is not a choice that can be easily reversed. Spend enough time in a state of frenetic shallowness and you permanently reduce your capacity to perform deep work.

To build your working life around the experience of flow produced by deep work is a proven path to deep satisfaction. A

to succeed with deep work you must rewire your brain to be comfortable resisting distracting stimuli. This doesn’t mean that you have to eliminate distracting behaviors; it’s sufficient that you instead eliminate the ability of such behaviors to hijack your attention. The simple strategy proposed here of scheduling Internet blocks goes a long way toward helping you regain this attention autonomy.