
The brain is much more active – and more likely to tire – than any other muscle or organ in your body. Evidence shows that your brain cycles from highest attention to lowest attention every 90 minutes in what’s called an ultradian rhythm. You can only maintain focus for 90 to 120 minutes before it needs to rest. Honoring the natural rhythm of our brains and seeing brain breaks as part of, not counter to, working, can make a person more productive, creative, and innovative.
Hip Silicon Valley tech companies started the growing trend of offering their employees unique perks that seem to encourage stepping away from the desk. Google’s free massages, Twitter’s rock climbing wall, and Dropbox’s gaming tournaments come to mind. Some may dismiss these initiatives as ploys for PR or to impress new recruits, but there is solid evidence that fun creativity breaks actually improve employee productivity.
One of the best ways to recharge is to engage in something different. If you’ve been reviewing a document for 90 minutes, don’t take a break by reading news articles. Get up and do something completely different. The brain is an efficient task-switcher; it has no problem going from java programming to power yoga to basket weaving. And doing so may make you a better java programmer, since you’ve allowed your brain’s java programming circuit to rest. If you are a slave to work, then switch tasks productively, from programming to checking email to thinking about a new problem.
