How to Focus at Work: The Anti-Notification Method
You hit 6 p.m. feeling like you've been busy all day and finished nothing. That's not just a feeling, and it's not a motivation problem: it's arithmetic. Here's what a day of interruptions actually costs you, and the method to reclaim two to three hours of deep work every day.
What an interruption really costs: 23 minutes
It's the best-known finding from the work of Gloria Mark, a researcher at the University of California, Irvine: after an interruption, it takes an average of 23 minutes and 15 seconds to get back to the level of focus you had before.
Do the math. A notification that "only takes ten seconds" doesn't cost you ten seconds: it costs you the next quarter of an hour. Five interruptions in one morning, and you never reach the depth where hard work becomes possible. You spent four hours skimming the surface. That's why the day feels full and the results feel empty.
47 seconds: the average attention span today
For twenty years, the same researcher has been measuring how long people stay on a single window before switching to something else. In 2004: 2 minutes 30. In her recent data: 47 seconds. Cut by more than a factor of three in twenty years.
The uncomfortable detail is that most of these switches aren't triggered by a notification. They're self-interruptions: nobody bothered you, you reached for your phone all on your own. It's a motor habit, not a decision. And you don't fix a motor habit with discipline.
Your phone sitting on the desk is already costing you something
In 2017, researchers at the University of Texas published a study that became famous under the name brain drain: even switched off, even face down, a smartphone sitting on the desk was found to reduce available cognitive capacity — the brain spending energy on not looking at it. Participants who left their phone in another room did better than those who kept it in their bag or on the table.
Scientific honesty: a replication attempt published in 2022 didn't find this effect. So "brain drain" is a contested result, and it shouldn't be presented as established fact — plenty of articles do exactly that. What does hold up, on the other hand, is the 23-minute recovery time and the overwhelming share of self-interruptions. And for that, physical distance remains the most reliable solution, for one simple reason: a phone that isn't within arm's reach can't be grabbed on reflex.
Why "Do Not Disturb" isn't enough
Do Not Disturb and Focus mode solve the problem of incoming notifications. They don't solve the outgoing one: nothing stops you from opening Instagram yourself. And that's where most attention breaks happen.
Same limitation with Screen Time settings: the limit pops up at exactly the moment you're most vulnerable, and two taps on "Ignore Limit" is all it takes. We break this mechanism down in why Screen Time isn't enough. A tool you can switch off in three seconds, in the exact state where you want to switch it off, isn't a safeguard. It's a suggestion.
The method, in 5 steps
1. Decide with a clear head, not in the heat of the moment
The core rule: every decision about your phone should be made before the work session, while you're clear-headed — never during, when you're tired and the task gets hard. Your 9 a.m. self protects your 3 p.m. self.
2. Two deep blocks a day, not eight hours of vigilance
Don't try to stay focused all day — that's a lost cause from the start. Aim for two untouchable 90-minute blocks, placed when your energy is at its best (for most people, the morning). The rest of the day can stay reactive: meetings, email, the unexpected. Two genuinely deep blocks produce more than eight fragmented hours.
3. Get the phone out of arm's reach
Not on airplane mode on the desk: out of reach. A closed drawer, a bag on the other side of the room, a locker. If you have to stand up to grab it, your brain has to make a real, conscious decision — and that's exactly where the reflex breaks.
4. Block the apps, keep the phone
The trouble with the "phone in the drawer" approach is that most people can't afford it: you need to stay reachable for school, a client, family. That's the exact use case for the Lock-IN box: you set your phone on the box, your distracting apps lock, and you take your phone with you while leaving the box in another room. To reopen Instagram, you have to physically go back to the box. Calls, texts and GPS keep working — you're reachable, just not distracted. At the office, the Lock-IN keychain (19 €) does the same thing: leave it in your locker or hand it to a colleague.
5. Batch your email
Three fixed slots (say 9 a.m., 1 p.m., 5 p.m.) instead of an inbox open all day long. An open inbox is an interruption generator — 23 minutes a piece — installed on your second monitor.
Three specific situations
The open office
Headphones are a social signal as much as an acoustic tool: on most teams, they mean "don't bother me unless it's urgent." Better still: tell your team about your deep-work slots ("I'm unreachable from 9 to 10:30") and put them on your shared calendar. An interruption avoided beats an interruption handled well.
Working from home
At home, nobody sees you working — so nobody keeps you from scrolling. The line between "I'm just checking something" and "I lost 40 minutes" is even thinner. Paradoxically, that's where physical friction helps most: the next room is your best productivity tool.
Meetings
A phone on the table in a meeting is a guarantee you'll walk out having followed only half the discussion — and having to ask someone to recap what you missed. Leave it at your desk.
Frequently asked questions
How long does it take to get your focus back?
About 23 minutes after an interruption, according to Gloria Mark's work at the University of California, Irvine. That's an average: the delay grows when the task is complex or when the interruption switches subject entirely.
Should you turn off all your notifications?
Turning off notifications helps but isn't enough, since most attention breaks are self-interruptions: you're the one grabbing the phone, without anything ringing. So you have to tackle both: cut the incoming ones and add physical distance.
What if my job requires me to be reachable?
That's true for most people, and it's exactly why "turn off your phone" is unworkable advice. The right target isn't the phone, it's the infinite-scroll apps. Block those, keep calls and texts.
Does the Pomodoro technique work?
Yes, but on one condition: the phone has to be out of reach during the block. Otherwise the 5-minute break turns into a 35-minute one, and the method backfires on you. On this point, our article studying without your phone breaks down how to split your time into blocks.
Where to start
Don't change ten things. Pick one 90-minute slot tomorrow morning, put your distracting apps out of commission before you start, and set your phone out of reach. A single session is usually enough to measure the gap — and it's usually bigger than you'd imagine.
To make it systematic: the Lock-IN box, 39 €, no subscription, 14-day money-back guarantee.
Read next: the screen-time numbers for 2026, how to stop scrolling and ADHD and screens if focus is a daily battle for you.