Deep Work When You Have Kids, Notifications, and a Real Job

Cal Newport's Deep Work sold a million copies on the strength of a simple, uncomfortable claim: the ability to focus without distraction on a cognitively demanding task is the superpower of our time, and almost nobody is practicing it. Newport's recommendation is to schedule blocks of three to four hours, every day, where you do nothing but the hardest thinking your job requires.

If you're reading this and laughing, it's because you have one of the following: a child under five, a manager who pings you on Slack at 9:14 a.m., a job that involves meetings, or a brain that has been on the internet for the last decade. Newport's protocol assumes none of these. Most of us have all of them.

The good news is that the actual research underneath Deep Work doesn't require four hours. It requires depth, not duration. And depth is achievable in forty-five minutes if you set it up right.

What deep work actually means (it's not about the clock)

The phrase “deep work” comes from Newport's reading of K. Anders Ericsson's research on deliberate practice — the same research Malcolm Gladwell turned into the “10,000 hours” idea. Ericsson's finding was that experts in any field share one trait: they spend large quantities of time engaged in focused, effortful, feedback-rich practice on the edge of their current ability. Not just practice. Not just hours. Hours of stretching.

The duration matters less than the texture. A forty-five-minute session where you stay locked into a single hard problem with no context switches, no inputs, and a clear goal at the start does more for your craft than four hours of half-attention with the phone face-up next to you.

Most knowledge workers have never experienced a real forty-five-minute deep block. We've experienced ninety-minute meetings, two-hour writing sessions interrupted by Slack, and afternoon “focus time” that involved checking email three times. The depth wasn't there.

The protocol that actually works for normal lives

Here's what a working deep block looks like when you have forty-five minutes and a normal life:

1. Phone in another room. Not face-down. Not on Do Not Disturb. In another room. Newport, in his more recent book A World Without Email, calls this the single highest-leverage intervention available to most workers, and the data is now overwhelming — a 2017 University of Texas study found that the mere presence of a phone in your peripheral vision reduces working memory capacity, even when the phone is off.
2. One tab. One document. One question. Before you start, write the question you're trying to answer or the output you need to produce by the end of the block. Not “work on the proposal.” Specifically: “Draft the section on pricing assumptions.” Vague intentions become checking-Twitter-by-minute-eight.
3. Set a 45-minute timer. Not to remind you to stop. To remind you to not stop. The timer is a commitment device, not an alarm clock. When the urge to switch tabs hits at minute eighteen, the visible timer is what holds you.
4. End with a written next step. The last two minutes of the block are spent writing what comes next on a sticky note, in plain text. Tomorrow's session starts at that next step. This is the trick that turns a one-off deep block into a streak.

When to actually do this

Newport recommends the early morning. He's right for some people and wrong for others. The thing that matters more than the time of day is that you do it before your reactive mode kicks on. For most office workers, that's before the first meeting or before you open Slack. For parents, that's often the first thirty minutes after the kids leave for school, before the day begins to drift.

If you genuinely cannot find forty-five minutes in your morning — and many people can't — the second-best window is the first half-hour after lunch, before the afternoon slump and before meetings resume. The worst window is the last hour of your workday. Your prefrontal cortex is fried by then. You'll do shallow work and pretend it was deep.

The trap of “deep work hoping”

The single biggest reason people fail at this isn't willpower. It's that they put it on the schedule as a vague aspiration — “I'll do focused work in the mornings” — instead of as a concrete recurring calendar block with the same weight as a meeting. If you wouldn't no-show on a meeting with your manager, don't no-show on the deep block. Put it on the calendar. Mark it as busy. Decline meeting invites that overlap with it. Treat it like a real commitment.

The professionals I know who actually practice deep work all have one thing in common: they have a recurring calendar block named something like “Focus — DO NOT BOOK” that has been there for months. They protect it like it's payroll.

A real example

A friend of mine works as a senior engineer at a mid-sized SaaS company. He has two kids under seven, a partner who works full-time, and a Slack workspace with eleven channels he's expected to respond in. He told me last year that he'd given up on doing meaningful technical work during business hours.

His fix was forty-five minutes, four mornings a week, between dropping the kids at school (8:15) and his daily standup (9:30). Phone in the kitchen. One tab — a code review or a design doc he was writing. Sticky note next to the monitor with the day's specific output goal. Slack closed. Calendar block named “Focus.”

In four months, he shipped two of the largest features his team had built in two years. His manager asked him what changed. The honest answer was three hours a week of actual focus.

Start smaller than you think you should

If forty-five minutes feels impossible, start with twenty-five. The Pomodoro Technique exists for exactly this reason — Francesco Cirillo built it in the 1980s as the smallest unit of focused work that's still meaningfully productive. One Pomodoro a day, every day, for thirty days, will teach your nervous system that focus is something you do, not something that happens to you when conditions are perfect.

Conditions are never going to be perfect. The point is to build the muscle in real conditions, with real interruptions one room over.

This site is about closing the gap between knowing what to do and actually doing it. Deep work is one of those gaps for almost everyone reading this. If you want one practice like this in your inbox every Sunday, three minutes to read, that's what the letter is for.