We’ve all been juggling several tasks at once—answering emails while on a conference call, checking social media while finishing up a report. But multitasking (often considered a productivity hack) might actually be slowing you down.
Let’s dive into why multitasking is bad for your brain and how embracing single-tasking can actually boost your productivity. I’ll also share some practical steps you can take to start focusing on one task at a time, and why that’s the best approach for getting things done.
Why multitasking is bad for you
Let’s start by talking about why why multitasking is bad and such a productivity killer. We’ve all been conditioned to think that doing multiple things at once makes us more efficient. But science suggests otherwise. Here’s why:
Your brain isn’t built for it
First off, multitasking isn’t even technically possible for the human brain. When you think you’re multitasking, what’s actually happening is that your brain is rapidly switching between tasks. This process is called task-switching, and it takes time. According to a study from Stanford University, people who multitask are actually slower at switching between tasks, and they make more mistakes. Your brain is using up cognitive resources to switch back and forth, leaving you with less focus on each individual task.
In fact, studies show that why multitasking is bad and reduces brain efficiency, and it increases the likelihood of errors. Researchers have found that switching tasks can actually lower your IQ, and for tasks that require deep thinking or creativity, it can severely hinder your ability to problem-solve or come up with new ideas.
It drains your energy
Multitasking might feel like you’re getting more done, but the truth is it’s draining. When you’re constantly switching tasks, your brain is working harder, burning more energy. That energy is finite, and before you know it, you hit a wall. The more you multitask, the more fatigued you’ll feel by the end of the day. A study published in Psychological Science found that people who multitask reported feeling more mentally exhausted and stressed at the end of the day than those who focused on one task at a time.
It reduces the quality of your work
Not only are you more likely to make mistakes when multitasking, but the overall quality of your work can suffer as well. By splitting your attention across multiple tasks, you’re not giving any of them the full focus they deserve. The result? Shoddy work, overlooked details, and tasks that require more time to correct. It’s a vicious cycle.
It increases stress levels
Have you ever tried to focus on three things at once, only to feel overwhelmed? That’s your brain’s stress response kicking in. When you multitask, you’re activating the brain’s “fight or flight” system, which increases stress levels. A 2018 study from the American Psychological Association found that multitasking can lead to heightened levels of cortisol, the stress hormone, making you feel anxious, distracted, and out of control.
These factors (backed by science!) all prove why multitasking is bad and why we need to find another alternative.
The alternative—single-tasking
Now that we’ve established why multitasking is bad, let’s talk about what you should do instead. Enter: single-tasking.
Single-tasking is the practice of focusing on one task at a time, without distractions or interruptions. It’s the exact opposite of multitasking—and research suggests it’s a lot better for your productivity, your focus, and even your mental well-being. It’s a key part of sustainable productivity.
Why single-tasking works better
Better focus
When you focus on one task, your brain can devote all its cognitive resources to that task. This allows you to work more efficiently, retain more information, and make fewer mistakes. Studies have shown that single-tasking enhances focus and boosts productivity.
Improved cognitive performance
Single-tasking helps you to engage in deeper, more thoughtful work. For tasks that require creativity, problem-solving, or concentration, single-tasking is a must. Your brain can process information more effectively, which leads to better results.
Reduced stress
One of the reasons why multitasking is bad is that it’s stress inducing. By focusing on one thing at a time, you avoid the stress of feeling overwhelmed by trying to do everything at once. Single-tasking allows you to feel more in control, which can lead to lower stress and anxiety levels.
Increased quality of work
With single-tasking, you can devote your full attention to each task, ensuring higher quality work and fewer mistakes. When you give your undivided attention to something, it shows in the final product.
How to start single-tasking (and stop multitasking)
Now that you know why multitasking is bad and why single-tasking is the way to go, here are some practical steps you can take to implement this approach in your day-to-day life:
Prioritize your tasks
The first step to single-tasking is knowing what you need to focus on. Start your day by listing out the tasks you need to accomplish. Then, prioritize them. Choose 1-3 tasks that are the most important, and commit to focusing on these until they’re done.
Use time blocks
One of the best ways to avoid multitasking is to use time blocking. Set aside specific blocks of time for each task. For example, dedicate the first hour of your workday to deep work, like writing or problem-solving, and set a timer for this block of time. Once the timer goes off, take a break, then move on to your next task.
Eliminate distractions
In order to single-task effectively, you need to eliminate distractions. Put your phone on silent, close irrelevant tabs on your browser, and let others know you’re focusing on a single task. By creating a distraction-free environment, you make it easier to concentrate.
Practice mindfulness
Mindfulness is a great way to enhance your ability to focus on the task at hand. Try to bring your full attention to whatever you’re working on in the moment, rather than thinking about other tasks or worrying about things you need to do later. Mindfulness can help you slow down, reduce stress, and improve the quality of your work.
Take regular breaks
Don’t forget to give yourself a break. Studies show that regular breaks can actually boost productivity and help you stay focused when you return to your task. Try the Pomodoro Technique—work for 25 minutes, then take a 5-minute break. After four cycles, take a longer 15-30 minute break.
From chaos to clarity
In today’s fast-paced world, it’s easy to think that multitasking is the key to getting more done. But now your know why multitasking is bad. The truth is, multitasking is bad for your brain, your productivity, and your well-being. By embracing single-tasking, you can focus more, reduce stress, and produce higher-quality work.
Start by prioritizing tasks, eliminating distractions, and using time blocks to help you stay focused. With a little practice, you’ll be amazed at how much more productive—and less stressed—you can be when you focus on one task at a time.
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