How to Tell If Your Brain Needs a Break

How to Tell If Your Brain Needs a Break

Taking a few minutes to do a puzzle — or stare into space — can allow you to return to work sharper and more creative. Monica Ramos It’s 1:02 p.m. Do you know what your brain is doing?

If the answer is trawling the bowels of the internet instead of finishing those spreadsheets, it might be time to step away from your desk. Brain slumps are real, said Gloria Mark, a professor of informatics at the University of California, Irvine. And the antidote to this midafternoon mind sludge isn’t muddling through, no matter what hustle culture wants you to believe. It’s the opposite: You should take a break.

“We can’t expect to lift weights nonstop all day, and we can’t expect to use sustained focus and attention for extended periods of time, either,” said Dr. Mark, author of “Attention Span: A Groundbreaking Way to Restore Balance, Happiness and Productivity.” While your brain is not a muscle, the analogy is a good one, since staying focused requires our brains to burn energy, said Marta Sabariego, an assistant professor at Mount Holyoke College who studies attention and other goal directed behaviors.

But the most compelling reason for taking a brain break is that it may improve your ability to do quality work. A 2022 systematic review published in the journal PLoS ONE found that even short breaks lasting 10 minutes or less reduced mental fatigue and increased vigor (meaning the willingness to persist when work became difficult).

These breaks especially improved performance on tasks requiring creativity and less so for activities like basic arithmetic.

The analysis found that the longer the break, the better the performance boost. Since few of us can take unlimited breaks, the trick is to use the time you have wisely — even if that means ignoring your boss’s dirty look as you fiddle with a Rubik’s Cube. How We Focus (or Don’t)

Paying attention isn’t so much an action as a way of processing information, Dr. Sabariego said. When we’re focused, our brains’ “task-related networks” filter out distractions, from the smell of fish in the office microwave to a co-worker’s incessant pen tapping.

When we’re unfocused, our brains switch to the default mode network, said Dr. Srini Pillay, a psychiatrist and the author of “Tinker Dabble Doodle Try.” He sometimes jokingly calls this the “do mostly nothing” system, because it’s active when we’re daydreaming.

In most people’s brains, “when one is working, the other one is off,” Dr. Sabariego said. The task-related network is great for checking items off your to-do list, but usually just one at a time. Problem-solving and innovation usually require letting your mind wander in order to brainstorm possible solutions using the default mode network.

“The default mode network can actually retrieve details from the nooks and crannies in your brain’s memories that the logical brain cannot retrieve,” Dr. Pillay said, “which is why sometimes people say they have their best ideas in the shower.”

For creative thinking, we need to give our thoughts room to roam — ideally by taking a break. Timing Is Everything

The urge to check Instagram every two minutes is more universal than you might think. Dr. Mark has been studying how knowledge workers (most employees who sit at computers all day) spend their time during the work day since the early 2000s. Her research involves tracking how often workers switch between tabs on their computers — from email to spreadsheets to chat apps and back again.

In 2012, Dr. Mark did a study on 13 such workers and found that the average time they spent on one screen or tab — be it a work-related program or social media — was 75 seconds. As her research went on over the years, “it started declining,” she said. In 2020, one of Dr. Mark’s graduate students tracked 50 workers and found that the average time spent on one tab was 44 seconds.

The problem is that “you can only consciously think about one or two things at a time,” said Johann Hari, the author of “Stolen Focus: Why You Can’t Pay Attention — and How to Think Deeply Again.” “That’s a fundamental limitation of the human brain.”

“Multitasking — or toggling between spreadsheets and email — can increase mistakes, reduce creativity and cause fatigue,” Mr. Hari added. If your job requires you to multitask, chances are you’ll need to take a break more often.

How often? Everyone’s brain works differently, so there isn’t a hard and fast rule, Dr. Sabariego said. It also depends on what you’re doing. You may stay focused for 90 minutes or more doing work you find challenging and rewarding, she said.

Menial or boring tasks don’t produce the dopamine reward we get when we engage with something interesting. “Dopamine helps us narrow our visual and auditory world and increases our motivation,” Dr. Sabariego said, so you may need more frequent breaks when doing these sorts of tasks.

You can also build focus over time, she added. If you need a break every 30 minutes, try setting a timer and staying on task for 32, 35, then 40 minutes to help you space your breaks further apart. Don’t Quit Too Soon

One thing to note: The popular Pomodoro Technique , which involves working for 25 minutes before taking a three- to five-minute break, is more of a method for fighting procrastination than optimizing deep focus. It takes time to get back to work after an interruption, Mr. Hari said. If your timer goes off but you’re still in the zone, keep going.

Consider your own circadian rhythms before arbitrarily setting a timer. Many people have peaks in their ability to pay attention around 11 a.m. and 3 p.m., with things often dropping off after lunch, Dr. Mark said. You may be able to focus for longer in the morning, but need more frequent breaks later in the day. Break Your Sedentary Ways

Heading out into nature for some sort of physical activity is one of the best ways to give your brain a break, Dr. Mark said. She worked on […]

Read more at www.nytimes.com

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