Why Is It So Hard to Do Deep Work in an Open Office?
Written By Aftertone Team
Thursday, May 14, 2026
15 min read

Why Is It So Hard to Do Deep Work in an Open Office?
Deep work is hard in an open office because the open office was not designed for it. It was designed for collaboration, visibility, and spontaneous communication โ all of which are structurally incompatible with the conditions that deep focus requires. The difficulty isn't personal. It isn't a lack of discipline. It's the predictable output of putting a cognitive process that requires silence, uninterrupted time, and environmental closure into a space engineered to produce the opposite of all three.
What the open office actually optimises for
The open office plan became standard in knowledge work on the assumption that proximity drives collaboration, that spontaneous interaction produces innovation, and that visibility creates accountability. Some of these assumptions have partial research support. None of them are compatible with the conditions required for sustained cognitive depth.
A 2018 study by Ethan Bernstein and Stephen Turban at Harvard Business School found that open offices actually reduced face-to-face interaction by approximately 70% compared to enclosed offices โ the opposite of their stated purpose. Workers in open offices compensated for the lack of privacy by withdrawing into headphones and screens, trading less effective collaboration for more visible isolation. The design intended to produce connection; it produced avoidance.
What open offices reliably produce is ambient noise, visual stimulation, and the constant possibility of interruption. These are precisely the environmental conditions that distraction research identifies as most damaging to sustained cognitive performance. The open office is not a neutral environment that people fail to focus in despite themselves. It's an environment actively structured to prevent focus, in ways that are largely outside individual control.
The three environmental mechanisms that destroy focus
Irrelevant background speech
Of all the noise types present in an open office, irrelevant background speech is the most cognitively damaging โ more than music, more than white noise, more than ambient sound. The reason is specific: language processing is automatic and mandatory in the human brain. You cannot choose not to partially process a nearby conversation in the way you can choose to ignore a mechanical noise. The brain allocates resources to parsing the speech whether or not you want it to, because language is processed through the same neural systems you need for reading, writing, and thinking.
Research by Nick Perham and Martinne Sykora found that background speech, including speech in a language participants didn't understand โ impaired performance on reading comprehension and serial recall tasks. The effect was not eliminated by the semantic content of the speech being irrelevant. The mere presence of speech-like auditory input, parseable or not, degraded cognitive performance on tasks requiring verbal working memory.
This is why open offices are specifically damaging for writing, analysis, coding, and any work that involves sustained verbal processing. These tasks compete directly with the automatic speech-processing load that ambient conversation generates. The competition is silent and invisible, but the cost shows up in output quality and the time required to complete the work.
Visual interruption and peripheral movement
The human attention system evolved to detect movement in the peripheral visual field โ a survival mechanism that is deeply automatic and essentially involuntary. In an open office, the peripheral visual field is continuously populated by people moving, standing, turning, gesturing. Each movement triggers a brief, automatic attentional capture: the gaze shifts, the cognitive thread breaks, the re-engagement cost begins.
These captures are individually tiny, often less than a second each, and not individually noticeable. Their aggregate effect over a workday is substantial. Each attentional capture is a micro-interruption, and micro-interruptions accumulate the same attention residue that larger interruptions do, at a rate that compounds continuously across the environment.
Facing a wall, using a privacy screen, or positioning a monitor to minimise peripheral movement in the visual field are not affectations. They are practical reductions in the automatic attentional capture load that open environments generate continuously.
The constant possibility of interruption
The third mechanism is the most insidious because it operates even when no interruption is actually occurring. In an open office, you are permanently interruptible. Colleagues can see you, approach you, and speak to you at any moment. You know this. Part of your attention monitors for it continuously โ tracking whether someone is approaching, whether a conversation is about to be directed at you, whether you should look up.
Stothart, Tsetsos, and Oberauer (2015) demonstrated this mechanism directly: receiving a notification โ without looking at it, without responding โ impaired cognitive performance to the same degree as actually engaging with it. The awareness of a potential interruption, not the interruption itself, generates the cost. In an open office, this awareness is not occasional. It is the permanent ambient condition of the environment. The monitoring process runs continuously, depleting the attentional resource steadily throughout the day.
This is why noise-cancelling headphones help even when the office isn't particularly loud, and even when the music playing through them is itself a form of stimulus. The headphones don't just block sound โ they signal to colleagues that you are not currently available for spontaneous interruption, which reduces the monitoring load on your own attentional system. You know the interruption is less likely. The monitoring frequency drops. The cognitive resource freed by that reduction becomes available for the work.
Why individual coping strategies have limits
Most advice for doing deep work in open offices is addressed to the individual: use headphones, find a quiet corner, come in early or stay late, book a meeting room. These strategies work partially and temporarily. They share a fundamental limitation: they are adaptations to an environment that is structurally hostile to focus, not solutions to the structural hostility itself.
Noise-cancelling headphones reduce auditory load but don't eliminate visual interruption or the awareness of interruptibility. Booking a meeting room solves the environment problem but creates a new problem โ meeting rooms are shared resources with competing demand, booking systems, and time limits. Coming in early works until others do the same. Staying late works until it becomes unsustainable.
The deeper problem is that these strategies require continuous effortful management โ finding the room, negotiating the headphones social contract, timing the arrival. The effort of managing around the environment adds overhead to every focus session before it begins. Over time, this overhead accumulates into a kind of focus fatigue: the exhaustion not just from the work itself but from the constant effort required to create the conditions for it.
Cal Newport's analysis in Deep Work makes this point explicitly: the knowledge workers who consistently produce the most important output are disproportionately those who have arranged their environments to make deep focus structurally easy rather than individually effortful. The writer who has a separate studio. The programmer who works from home on Wednesdays by policy. The researcher who has a private office. The advantage isn't discipline โ it's design. They are not managing around a hostile environment. They are operating in a supportive one.
The remote and hybrid evidence
The mass shift to remote work from 2020 provided an inadvertent natural experiment on open office versus home office conditions. The data that emerged was consistent with the distraction research: for cognitively demanding individual work, most knowledge workers reported higher sustained focus, longer uninterrupted work periods, and more deep work output at home than in the office.
This result was not universal โ home environments have their own distraction profiles, and some workers found the social isolation of remote work damaging in ways that outweighed the focus benefit. But the direction of the effect for deep individual work was clear enough that hybrid arrangements, which allow workers to choose their environment by task type, have become the most productivity-aligned structure for knowledge workers who have access to them.
The implication is not that offices are bad. It's that the appropriate environment for deep work and the appropriate environment for collaborative work are different, and conflating them by default, which is what the open office plan does โ produces a space that is suboptimal for both. The hybrid arrangement that routes deep work to the home environment and collaborative work to the office is closer to what the research on both kinds of work actually supports.
What to actually do
Negotiate environment access, not just time. The most effective intervention for open office deep work isn't scheduling โ it's environment. A private room for two hours is more valuable than four hours at an open desk with headphones. If your organisation has private offices, phone booths, or quiet rooms, treat access to them as a scheduling priority equivalent to meeting room access for the deep work that requires them.
Use physical signals to reduce monitoring load. Headphones on means not available โ make this norm explicit with colleagues rather than hoping it's understood. A status indicator, a physical sign, a shared team agreement about focus hours: any visible signal that reduces the ambient awareness of interruptibility reduces the monitoring cost your attention is paying continuously.
Schedule deep work for the lowest-traffic times. If genuine environment negotiation isn't possible, the practical alternative is timing. Early morning before the office fills, late afternoon after energy levels have dropped and ambient noise reduces, or days when attendance is lighter. The environment isn't fixed across the day โ its distraction profile varies, and scheduling deep work into the lower-distraction windows captures some of the benefit that environment design would provide structurally.
Match your chronotype to your available environment. If your cognitive peak is 9 to 11am and your office is quietest before 8:30am, the answer may be arriving early enough to capture the quiet window before your peak, rather than trying to find focus during peak hours when the office is also at peak density. Chronotype and environment availability don't always align โ knowing both allows you to make the best available match rather than defaulting to whatever happens.
Front-load deep work on time-blocked remote days. If you have any hybrid flexibility, route deep work to home days by policy rather than by accident. Use the office for meetings, collaboration, and the relationship maintenance that benefits from physical presence. Use home days for the work that requires the environment the office can't provide. The planned versus actual comparison over a month will usually confirm that home-day output on complex work significantly exceeds office-day output, which makes the routing decision easier to justify.
Aftertone's Focus Screen applies the same principle in software: when a focus session begins, it presents only the current task, removing the visual environment that creates the open-loop monitoring load the open office generates physically. It can't change your physical environment, but it can reduce the digital equivalent โ the open tabs, visible notifications, and ambient information that create the same attentional capture effect at the screen level that the open office creates at the room level.
Frequently asked questions
Why is it so hard to do deep work in an open office?
Deep work is hard in an open office because the environment produces three continuously operating mechanisms that prevent sustained focus: irrelevant background speech (automatically processed by the brain through the same phonological systems used for reading and writing), peripheral movement (triggering involuntary attentional captures through the brain's threat-detection system), and permanent interruptibility (maintaining a continuous monitoring load even when no actual interruption occurs).
Do open offices actually reduce collaboration?
The evidence suggests yes. Bernstein and Turban's 2018 Harvard Business School study found that open offices reduced face-to-face interaction by approximately 70% compared to enclosed offices, as workers compensated for lack of privacy by withdrawing into headphones and screens. The design intended to produce connection produced avoidance. Open offices increase ambient visibility and decrease meaningful interaction simultaneously.
Does background music help with open office focus?
Better than speech, but not neutral. Research by Nick Perham found that irrelevant background speech is the most cognitively damaging noise type โ more than music or ambient sound, because language processing is automatic and mandatory, competing directly with verbal working memory tasks. Music without lyrics is less damaging than speech for writing and analysis, but still generates some attentional load compared to silence. For work requiring heavy verbal processing, silence is the optimal condition; music is a compromise that reduces speech processing load while adding its own.
Why do noise-cancelling headphones help even when the office is quiet?
Noise-cancelling headphones help in quiet offices because they perform two functions: reducing auditory input, and signalling unavailability for spontaneous interruption. Stothart et al. (2015) found that the awareness of potential interruption โ not the interruption itself โ generates a cognitive monitoring cost. Headphones reduce the likelihood of being approached, which reduces the continuous monitoring load your attention pays in interruptible environments, freeing that resource for the work.
Is working from home actually better for deep work than an open office?
For most knowledge workers doing cognitively demanding individual work, yes. The mass shift to remote work from 2020 provided inadvertent evidence: for deep individual work, most workers reported higher sustained focus, longer uninterrupted periods, and more output at home than in open offices. Home environments have their own distraction profiles, but they're typically lower-interruption than open offices and (critically) you have more control over them. The most productivity-aligned arrangement for deep work is one that matches environment to task type: home for deep individual work, office for collaboration and relationship maintenance.
