• Home
  • Latest
  • Fortune 500
  • Finance
  • Tech
  • Leadership
  • Lifestyle
  • Rankings
  • Multimedia
LeadershipFuture of Work

What the latest brain science tells us about ‘working smarter’

By
June 5, 2015, 9:00 AM ET
CT scan of a brain
CT scan of a brainPhotograph by T-Pool-Stock 4B/Getty Images

Dear Annie: Can you explain the expression “work smarter, not harder”? My boss is constantly telling us to “work smarter” but she gives us no suggestions how to do that. The demands of my job are endless and I’m always juggling way too many things at once to be really effective at any of them, so I’m discouraged on top of being exhausted. If “working smarter” would help, I’m more than willing to try it. But what is it? — Piedmont Pete

Dear Pete: Here’s a question for you. Have you asked your boss what she means? Sorry if that sounds painfully obvious, but you’d be amazed (or then again, maybe you wouldn’t) at how many people try to guess what their bosses want, usually out of fear that asking will make them look dumb. Most of us are lousy at reading minds, however, so we end up seeming clueless anyway.

It could be, for instance, that her definition of “working smarter” means returning client phone calls before you check your email, or rearranging your priorities in some other specific way that she thinks would make you more productive. Maybe she means you need to learn to delegate more or schedule fewer meetings. The point is, you’ll never know unless you ask.

But let’s suppose she’s using “work smarter, not harder” as a kind of general slogan with nothing in particular behind it. “The phrase has become a catchall,” notes Scott Halford, author of a new book you might want to check out, Activate Your Brain: How Understanding Your Brain Can Improve Your Work — and Your Life. “Luckily, we now know so much more than we used to about how our brains function, we can use that information to literally work smarter.”

Alas, much of the latest research suggests that “most of us approach things exactly backwards,” Halford says. It’s essential, for example, to stop “juggling way too many things at once,” as you put it. Working long hours and multi-tasking the whole time doesn’t make anyone more productive. “Studies show that one hour of focused time equals four hours of time spent trying to finish a task while you’re distracted,” notes Halford.

The average person has 70,000 thoughts per day, “so we’re pretty good at distracting ourselves without any outside help,” he adds. But every distraction chips away at the amount of glucose flowing to the brain, depleting the energy it uses to do its best work on the tasks that really matter.

“The office is full of interruptions, and that environment is unlikely to change,” Halford says. “So the most important skill anyone can learn is to focus on one thing at a time and work in concentrated chunks. Control what you choose to attend to, and you’ll automatically ‘work smarter.’”

Another way many people work backwards is by frittering away the morning hours, when most of us are at our sharpest, on “warming up to a big task by doing a lot of little things first,” says Halford. Instead, the latest neuroscience says it’s better to tackle the day’s most important project right away and leave everything else for later in the day — especially if the big task requires a high level of attention to detail, because “our brains get fuzzier and less accurate as we get more tired.”

Sometimes people procrastinate a big project, daunted by the amount of time and effort it will take. In that case, Halford says, it’s important to “start small, but start now.” The reason: Doing even a tiny part of a monster task “gives you a little dopamine bump, the same small surge in the brain’s ‘happiness chemical’ that you get from checking something off a to-do list. It can keep you from feeling overwhelmed and make you want to keep going.”

Working smarter might also require that you take more breaks throughout the day. “The stress hormone cortisol literally makes you dumber. Too much of it disconnects the thinking part of your brain,” explains Halford. “So you need mental erasers in between tasks to keep it in check.”

The latest research shows that people who divert their attention from work every 50 minutes — by “getting up and walking around, playing a computer game, or just gazing out a window,” Halford says — are able to concentrate much better than people who go from one task to another without stopping.

Halford advises executives he coaches to take at least three 10-minute breaks a day, and more if they can. “It usually takes a conscious effort, at first, to remember to do it,” he says. “But then it becomes a habit.” He’s also an advocate of “power napping,” pointing out that Einstein, Edison, and Churchill all took brief afternoon snoozes. They were on to something. The latest neuroscience shows that closing your eyes for a 10-minute catnap once or twice a day, if you can pull it off, improves brain function and sharpens memory.

And speaking of shuteye, says Halford, “when it comes to working smarter, nothing beats a good night’s sleep, which most Americans don’t get. But the research is conclusive on this point. If you sleep for five hours or less for a few nights running, it has the same mental effect as being legally drunk.” Noted.

Talkback: What ways have you found to “work smarter, not harder”? Leave a comment below.

Have a career question for Anne Fisher? Email askannie@fortune.com.


Latest in Leadership

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025

Most Popular

Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Finance
Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam
By Fortune Editors
October 20, 2025
Fortune Secondary Logo
Rankings
  • 100 Best Companies
  • Fortune 500
  • Global 500
  • Fortune 500 Europe
  • Most Powerful Women
  • World's Most Admired Companies
  • See All Rankings
  • Lists Calendar
Sections
  • Finance
  • Fortune Crypto
  • Features
  • Leadership
  • Health
  • Commentary
  • Success
  • Retail
  • Mpw
  • Tech
  • Lifestyle
  • CEO Initiative
  • Asia
  • Politics
  • Conferences
  • Europe
  • Newsletters
  • Personal Finance
  • Environment
  • Magazine
  • Education
Customer Support
  • Frequently Asked Questions
  • Customer Service Portal
  • Privacy Policy
  • Terms Of Use
  • Single Issues For Purchase
  • International Print
Commercial Services
  • Advertising
  • Fortune Brand Studio
  • Fortune Analytics
  • Fortune Conferences
  • Business Development
  • Group Subscriptions
About Us
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • About Us
  • Press Center
  • Work At Fortune
  • Terms And Conditions
  • Site Map
  • Facebook icon
  • Twitter icon
  • LinkedIn icon
  • Instagram icon
  • Pinterest icon

Latest in Leadership

cox
C-SuiteWealth
Billionaires have a problem money can’t solve: They don’t know how to talk to their kids
By Nick LichtenbergMay 1, 2026
4 hours ago
male engineer working under pylon
EnergyElectricity
Utility CEOs pocket $626 million as American energy bills hit record highs
By Tristan BoveMay 1, 2026
4 hours ago
Fortune 500 Power Moves: Which executives gained and lost power this week
C-SuiteFortune 500 Power Moves
Fortune 500 Power Moves: Which executives gained and lost power this week
By Fortune EditorsMay 1, 2026
6 hours ago
Young trade worker learning on job
SuccessHiring
Forget Big Tech: Small businesses will hire nearly 1 million grads in 2026—and some of the hottest roles are gloriously AI-proof
By Emma BurleighMay 1, 2026
6 hours ago
Andrew McAfee
SuccessCareers
MIT AI expert warns automating Gen Z entry-level jobs could backfire—and cost companies their future workforce
By Preston ForeMay 1, 2026
7 hours ago
francis
CommentaryFlorida
Former Miami Mayor Francis Suarez: Why I’m joining Stephen Ross and Ken Griffin in betting big on ambitious business leaders
By Francis SuarezMay 1, 2026
7 hours ago

Most Popular

Scott Bessent on financial literacy: 'it drives me crazy' to see young men in blue-collar construction jobs playing the lottery
Personal Finance
Scott Bessent on financial literacy: 'it drives me crazy' to see young men in blue-collar construction jobs playing the lottery
By Fatima Hussein and The Associated PressMay 1, 2026
9 hours ago
China dominates the world's lithium supply. The U.S. just found 328 years' worth in its own backyard
North America
China dominates the world's lithium supply. The U.S. just found 328 years' worth in its own backyard
By Jake AngeloApril 30, 2026
1 day ago
The U.S. economy is booming — just not where 50 million Americans live
Commentary
The U.S. economy is booming — just not where 50 million Americans live
By Derek KilmerMay 1, 2026
13 hours ago
Accenture's Julie Sweet blew up 50 years of company history. She says the hardest part is still ahead
Conferences
Accenture's Julie Sweet blew up 50 years of company history. She says the hardest part is still ahead
By Nick LichtenbergApril 29, 2026
2 days ago
Apple cofounder Ronald Wayne—whose stake would be worth up to $400 billion had he not sold it in 1976—says that at 91, he has no regrets
Success
Apple cofounder Ronald Wayne—whose stake would be worth up to $400 billion had he not sold it in 1976—says that at 91, he has no regrets
By Preston ForeApril 27, 2026
4 days ago
Exclusive: America's largest Black-owned bank launches podcast with mission to unlock hidden shame holding back generational wealth
Banking
Exclusive: America's largest Black-owned bank launches podcast with mission to unlock hidden shame holding back generational wealth
By Nick LichtenbergApril 29, 2026
2 days ago

© 2026 Fortune Media IP Limited. All Rights Reserved. Use of this site constitutes acceptance of our Terms of Use and Privacy Policy | CA Notice at Collection and Privacy Notice | Do Not Sell/Share My Personal Information
FORTUNE is a trademark of Fortune Media IP Limited, registered in the U.S. and other countries. FORTUNE may receive compensation for some links to products and services on this website. Offers may be subject to change without notice.