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The block-silence-timer productivity framework

How blocking distractions before starting work changes everything—no willpower required.

By Sarah Ragab · April 9, 2026
Hero image with an icon representing focus

The coffee was still warm, the doc was open, and I knew what I was supposed to be doing. It was 9:22 a.m., and I just didn't start.

I opened Instagram instead. I scrolled for about six minutes, which I know because I checked afterward—I wanted to know how bad it was. Six minutes of someone's Lisbon vacation photos, and then I put the phone face-down and went back to the paragraph I'd been reading before I picked it up.

I've experienced this, yes, but I've also watched it happen. I'm an AI product design lead, and for the last several years, my work has been building the kinds of interactions that feel frictionless. I've stood behind one-way glass at work, watched eye-tracking recordings, and seen the gaze leave the work document, drift to the phone, and come back and drift again. 

I understand variable-reward loops and the habit-forming power of technology. I understand exactly why I reached for the phone at 9:22 a.m.: I did what the product was built to make me do. So if I knew why it was happening, why did it keep happening? That's what I kept turning over.

How attention gets engineered

Gloria Mark is Chancellor's Professor of Informatics at UC Irvine, and for more than 20 years, she's been tracking how people use screens. I found her work one evening after a design review that had been bothering me all day and I couldn't figure out why. 

In 2004, the average person stayed on a single screen for 2.5 minutes. Two and a half minutes, which already feels short. Her latest number is 47 seconds. And then there's the finding I couldn't stop coming back to: roughly half of all workplace interruptions are self-initiated. No notification, no colleague walking over. People just stop and reach for something else. Half the time you're interrupting yourself.

The design review that had been bothering me had the goal written on the whiteboard: "reduce friction between impulse and action." We spent an hour on it, and then I walked out, sat at my desk, and picked up my phone. I did the exact thing we had just spent an hour optimizing for.

I don't think that's ironic—I think it's clarifying.

Most productivity writing treats distraction as a discipline problem. "You need to try harder!" Well, I have tried harder. And the research I found afterward suggests I'm not unusual in that. Apps are built to pull you in, and the pull isn't sensitive to how disciplined you are. You have to change what the environment does before the pull happens. That's very different from trying to be better at resisting.

Case in point: I've seen my daughter Judy sit down with her code editor open, just gone into whatever she was building, no distractions. Anyone who's spent time with a 12-year-old knows there's no way she has more willpower than I do. The difference was that her environment just had fewer things in it that were designed to grab her attention.

The 2-minute setup before the work starts

Productivity advice almost always targets the middle: techniques for staying focused once you're in flow. But most of the time, you're not even getting into flow. You're burning the first 15 or 30 minutes of the session, so whatever advice you have for the middle doesn't matter anymore.

I tried silencing my phone, but that on its own didn't work because notifications weren't the real problem. I was the one opening the apps. The thumb remembered the gesture without me even deciding to do it.

What I ended up with after several months of trying things is a two-minute, three-task process before I start work that actually gets me into focus mode.

1. Block

The Habi website blocker

Before opening any work tool, activate blocking on whatever pulls you sideways, whether that's social media, news sites, messages, whatever. 

This is different from Do Not Disturb: Do Not Disturb stops incoming pings. It does nothing about you picking up the phone and opening something because the gesture was already happening. Blocking puts friction back where designers spent months removing it

There's a study from UT Austin, published in 2017, which found that a smartphone sitting on your desk reduces cognitive capacity even when you never touch it. Just being there, unblocked, costs you something. (I honestly don't think we even need a study to see that; we all know it to be true.)

2. Silence

Close Slack, close email, mute WhatsApp…everything. Blocking covers the phone, but silencing covers the desktop. 

I actually wear headphones at work with nothing playing. My manager asked if it was to stop people from interrupting me, but I said it was so I wouldn't interrupt myself. 

3. Timer

The Habi timer

Start a visible countdown you can see without unlocking a screen. I run 25-minute blocks, Pomodoro-style, because of the research on task interruption. The defined endpoint makes self-interruption easier to resist. The break is already scheduled, so you don't have to fight the impulse—you just have to wait.

My husband is a software engineer who's held roles at Life360, Reddit, Microsoft, and Amazon. In the mornings, we would both sit down at our home desks and immediately reach for our phones. It became a running joke…and then it became an actual problem. 

We started running block-silence-timer together, and that shared ritual was part of what eventually became Habi, a family habit tracker and focus timer with screen time blocking built in. We needed something that covered the full transition. iOS Screen Time, Freedom, Cold Turkey, those are the tools that do the blocking depending on what you have, but the principle is the same regardless.

The Habi home page

Modeling the framework

Judy adopted the block-silence-timer system without being told. She watched me do the ritual morning after morning from her desk across the room, and at some point, she started her own version: screen time limits activated before opening VS Code; headphones on; timer running beside her keyboard. 

My husband asked her one morning if she was doing the thing. "What thing?" she asked. "Mom's thing," he said. She didn't look up from the screen—"it's not Mom's thing."

Within a week, she was finishing coding sessions faster. YouTube had been a 20-minute detour three or four times a week, and then it wasn't anymore.

Richard Thaler and Cass Sunstein, in their choice architecture work, argue that environment design predictably shapes decisions, and I agree. A 12-year-old doesn't have more willpower than a 38-year-old. But she can follow a two-minute ritual that restructures her environment before the session starts, and the ritual works because it's targeting structure, not character.

After months of using this system, I reach focused work within minutes of sitting down instead of burning the first 15 or 30. I estimate I've recovered an hour or more of real work per day. But the change I didn't plan for is the one I find myself thinking about most: Judy building her own relationship with screens because she watched something modeled. Not because anyone told her to do it.

I don't purport to know exactly why it worked. I don't know if the ritual itself is the thing or if it was the intention behind the ritual, and the ritual is just a container for that. And I still don't fully understand why knowing the mechanism—knowing exactly how the variable-reward loop is designed—doesn't protect you from it. Sometimes I still reach for the phone at 9:22 a.m. But it happens a lot less.

Related reading:

  • The best productivity apps

  • The best time blocking apps

  • How I finally stopped looking at my phone so much 

This was a guest from Sarah Ragab. Sarah co-founded Habi (habi.app) with her family after struggling to find one app that handled habits, focus, and screen time together. She previously designed Copilot experiences at Microsoft.

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