Deep Focus
Holding one thing in mind long enough to reach the part that is hard.
The behaviour, in one line: I routinely work in long, uninterrupted blocks with my phone away and notifications off.
Getting to depth is a climb, not a switch. It takes about fifteen minutes of uninterrupted work to get up there and one notification to come back down — and the next climb starts from the bottom, not from where you left off.
Attention is what every app on your phone is built to take from you, and there is only so much of it. Concentrating on one difficult thing for a long stretch used to be ordinary. It is now rare, which is most of why it is valuable.
| What it is | What it isn’t |
|---|---|
| One thing, held past the shallow part | Several things, switched between fast |
| A climb of about fifteen minutes | A switch you can flip on demand |
| One protected hour | Four fragmented ones |
| Feels slow, produces a lot | Feels busy, produces little |
What it looks like. Phone in another room, one window open, notifications off, one question on the page in front of you. Ninety minutes later you have solved something that six fifteen-minute fragments would never have reached.
- The problem that will not yield to skimming. A difficult bug, a strategy, a hard piece of writing. Some problems have a floor you only reach after twenty uninterrupted minutes. If you never get past twenty minutes, you never learn they had one.
- Learning anything difficult. New skills are built in the uncomfortable stretch where it is hard and you want to check your phone. Switching away at that point is switching away from the learning itself.
- Checking what a model wrote. Fluent, confident, quietly wrong output only shows itself to someone actually reading it. Distracted review is how a wrong answer ships with your name on it.
- Work in blocks of 25 to 90 minutes on one named target, with the phone in another room. Not face down on the desk, but in another room.
- Remove the trigger rather than resisting it. Close the tabs and turn notifications off before you start; willpower spent on a notification is willpower not spent on the work.
- Keep a pad for stray thoughts. Write the thought down and return to what you were doing. Writing it down records the thought without causing further distraction.
- At about minute twenty you will feel the itch to switch. That is the moment focus is either built or lost. Push forward instead.
- Break it into parts
Four parts: removing the triggers, naming one target, catching stray thoughts on paper, and sitting still when boredom arrives.
- The part that carries it
Removing the trigger before you start, because everything after that gets cheaper.
- The order to learn it in
- Strip the environment first — phone in another room, notifications off, tabs closed.
- Add one written target, so “focused on what?” has an answer before the block starts.
- Then lengthen the block, and practise staying put at the point where boredom arrives.
- Put something at stake
Hand a colleague your phone at the start of each deep block this week. You get it back when the block ends.
- Compress it
One target, no triggers, a pad for stray thoughts, and boredom treated as the work.
- The smallest useful dose
One uninterrupted 45-minute block a day, which will beat five fragmented hours a week.
- Anchor it to something you know
A camera lens. The light was always there. Depth of field is what you get by narrowing the aperture and giving up the rest of the view.
“A wealth of information creates a poverty of attention.”
— Herbert Simon, 1971
The interactive version is in the course. The diagram, the simulation and the four-question check for Deep Focus run in the free course, where your progress across all 24 skills is kept.
Open Deep Focus in the course →
Not sure where you stand? Take the twelve-minute self-assessment, or see the 30-day course that turns these skills into a roadmap.