Multitasking can make everyday work feel busier while reducing focus, accuracy, and mental energy. Here is why switching between tasks slows you down and what to do instead.
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Multitasking often feels productive because it creates the impression that several things are moving forward at once. You answer a message while reading an email, listen to a meeting while checking another document, start one task, remember another, open a new tab, and return later without fully remembering where you stopped.
By the end of the day, you may have touched many things but finished fewer than expected.
The problem is not that your brain is lazy or incapable. It is that most of what people call multitasking is actually rapid task switching. Your attention moves from one thing to another, then back again, and each switch has a cost. Even when that cost is small, it adds up across a full day.
When you move from writing an email to checking Slack, then back to the email, your brain does not simply continue from the exact point where it stopped. It needs a moment to remember what you were doing, what you planned to say, what information mattered, and what decision you had already made.
That restart may only take a few seconds, but repeated interruptions can make a simple task feel much heavier than it should.
A person can spend an hour at a desk and still feel like nothing meaningful happened because their attention was broken into too many small pieces. They were active the whole time, but they were not able to stay with one problem long enough to move it forward.
This is why multitasking can make work feel busy without making it feel productive.
Attention is closely connected to memory. When you are only half-present during a task, your brain is less likely to store the details clearly. That is why people often forget whether they sent an email, whether they added something to a list, or what they had just read before checking a notification.
The issue is not always memory itself. Often, the information never had enough attention to become a strong memory.
You may recognise this pattern:
These are common signs that your attention has been split too many times.
When work is broken into short pieces, it becomes easier to miss small details. You may send a message before rereading it, forget an attachment, choose the wrong date, skip a step, or make a decision too quickly because you want to clear the task and move on.
This becomes especially noticeable when the task requires judgment, planning, or accuracy. Writing, reviewing, budgeting, studying, designing, coding, preparing a presentation, or making an important decision usually need more than short bursts of attention.
Multitasking may work reasonably well for simple physical tasks, such as listening to music while walking or folding laundry while watching something light. But when two tasks both require concentration, one usually receives less than it needs.
The result is not just slower work. It is weaker work.
Phones make switching almost effortless, which is exactly why they are difficult to ignore. A notification appears, you look for two seconds, then return to what you were doing. But those two seconds can become much longer once your mind starts following the message, opening another app, or thinking about what to reply.
The phone does not need to be in your hand to affect focus. Even seeing it nearby can create a low-level pull on attention, especially when you are waiting for something or expecting a message.
You do not need to remove your phone from your life. But it helps to make certain tasks easier to protect.
A few practical changes can reduce unnecessary switching:
The goal is not to become perfectly disciplined. It is to make distraction slightly less convenient.
You do not need eight uninterrupted hours to work well. Most people benefit from shorter focused blocks, followed by a real pause.
For example, you might spend 25 to 40 minutes on one task, then take a few minutes away from the screen. During that block, try to keep the task visible and reduce anything that invites you to switch away.
The break should also feel different from the task. Scrolling through short videos or replying to messages may feel easier than working, but it keeps your brain moving between new pieces of information. A short walk, tea, stretching, looking outside, or doing one simple physical task can give attention a cleaner reset.
A useful question before starting is: “What is the one thing I want to finish before I switch?”
That gives your attention a clear destination.
The more often you switch away from tasks, the more your brain starts expecting interruption. A quiet moment can feel uncomfortable because you are used to checking, refreshing, opening another tab, or finding something new to react to.
That can make focused work feel harder at first, even when there is nothing actually wrong with the task.
The good news is that attention can become steadier again when you practise staying with one thing for slightly longer. You do not need to force yourself into long, exhausting sessions. Even ten or fifteen minutes of focused work can be useful when it becomes a regular habit.
The goal is not to remove every distraction forever. It is to notice when switching is helping and when it is quietly making the day harder.
Brain1 can fit into this as a short structured attention and reaction check-in. Its tasks are designed around focus, memory, reaction speed, inhibition, and decision-making. It will not replace deep work, sleep, or better boundaries around notifications, but it can be a simple way to notice how scattered or focused you feel on different days.
Used consistently, it can also become a small transition ritual before work or after a mentally busy period. Instead of opening another app without thinking, you give your attention one short task and then return to the thing that actually matters, link to app platform.brain1.com
Multitasking usually does not make you better at doing several things at once. It often makes you slower, more distracted, and more likely to make small mistakes.
The most useful approach is usually simpler: reduce the number of open tasks, create short focused blocks, protect your attention from unnecessary interruptions, and take breaks that actually give your mind a pause.
You do not need perfect focus all day. You just need more moments where your brain gets to finish one thing before being asked to start another.
Neuroscience Lead
Contributing to Brain1's mission of making cognitive fitness accessible to everyone through science-backed training and insightful content.