anomaly·mellow

28 June 2026 · 2 min read · On attention

What is deep work, and how do you actually do it?

Deep work is not working harder. It is the increasingly rare ability to focus without distraction on one cognitively demanding thing, and it is becoming a kind of superpower precisely because so few people can still do it.

By the Anomaly Mellow studio. Every claim here is grounded in named, checkable research, listed at the foot of the piece.

What is deep work, and how do you actually do it?

If you have come across the phrase and want a straight answer to what is deep work, here it is: deep work is focused, undistracted effort on something cognitively demanding, sustained long enough to produce real results. The term comes from the computer scientist Cal Newport, and the reason it has caught on is that the thing it describes has quietly become both rare and extremely valuable.

The definition

Newport defines deep work as professional activities performed in a state of distraction-free concentration that push your cognitive capabilities to their limit.[1] The key words are distraction-free and to their limit. This is not just sitting at a desk. It is the kind of work where you are fully absorbed in one hard problem, with nothing else competing for your attention.

Its opposite is what Newport calls shallow work: the non-demanding, logistical-style tasks often performed while distracted, such as answering messages, attending routine meetings, and shuffling email. Shallow work feels busy and productive, but it rarely creates anything that did not exist before, and it is easy to replicate.

Why it has become a superpower

Newport’s central argument is an economic one: deep work is becoming more valuable and, at the same time, more rare, and that combination makes it precious.[1]

It is more valuable because the ability to quickly master complicated things and to produce high-quality output is exactly what is hard to automate and easy to reward. There is a long research tradition behind this. The psychologist K. Anders Ericsson’s work on expert performance found that what separates the best in any field is not raw talent but deliberate practice: focused, effortful, feedback-driven work at the edge of your ability.[2] Deliberate practice is, almost by definition, deep work.

And it has become rare because the modern working environment trains the opposite. The attention researcher Gloria Mark has documented how fragmented our focus has become, with frequent switching and long recovery times after each interruption.[3] Most people now spend their days in a state of permanent shallow work, so the few who can still concentrate deeply have an outsized advantage.

How to actually do it

Deep work does not happen by accident, especially now. It has to be defended.

  • Schedule it. Put focused blocks in your day on purpose and treat them as real appointments, not as time that is left over once everything else is done. There is rarely any left over.
  • Remove the triggers. Phone in another room, notifications off, other tabs closed. You cannot concentrate deeply in an environment engineered to interrupt you every few minutes.
  • Give it one target. Deep work needs a single, clear thing to point at. “Be productive” is not a target. “Draft this section” is.
  • Build the stamina. If 90 minutes feels impossible, start with 30 and grow it. Concentration is trainable, and it returns with practice.

The uncomfortable truth underneath all of this is that the capacity for deep work rests on a capacity we have been losing: the ability to be alone with a single thought and not reach for a distraction. That is the muscle this whole studio is about rebuilding, and it is the subject of How to Be Bored Again.

Questions

What is deep work?+
Deep work is a term coined by the computer scientist Cal Newport for professional activity performed in a state of distraction-free concentration that pushes your cognitive abilities to their limit. It is the focused, demanding work that creates real value and is hard to replicate. Its opposite is shallow work: the easy, fragmented, logistical tasks like email and messages that fill a day without stretching you.
Why is deep work important?+
Newport argues that deep work is becoming both more valuable and more rare. More valuable because the ability to learn hard things and produce quality output quickly is what stands out economically. More rare because constant connectivity has trained most people out of sustained focus. That gap, high value and low supply, is what makes the skill worth deliberately building.
How do you get into deep work?+
Schedule it rather than hoping for it: block specific times for focused work and protect them. Remove the switch triggers by putting the phone in another room, closing other tabs and silencing notifications. Start with shorter blocks and extend them as your concentration rebuilds. And give it a clear single goal, because deep work needs one thing to point at, not a vague intention to be productive.
How long should a deep work session be?+
There is no fixed rule, but most people find somewhere between 60 and 90 minutes works well once they are practised, with shorter blocks of 25 to 50 minutes a sensible starting point. The limiting factor is your current attention stamina, which grows with use. Quality and consistency of focus matter more than marathon length.

Sources

  1. Newport C. Deep Work: Rules for Focused Success in a Distracted World. New York: Grand Central Publishing; 2016.
  2. Ericsson KA, Krampe RT, Tesch-Römer C. The role of deliberate practice in the acquisition of expert performance. Psychological Review. 1993;100(3):363-406.
  3. Mark G. Attention Span: A Groundbreaking Way to Restore Balance, Happiness and Productivity. New York: Hanover Square Press; 2023.

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Anomaly Mellow is a small UK publishing studio. This piece is opinion and argument grounded in cited research. Nothing here is medical advice. If you have a clinical concern, please speak to a qualified clinician.