(From The Wall Street Journal) -- In the few minutes it takes to read this article, chances are you'll pause to check your phone, answer a text, switch to your desktop to read an email from the boss's assistant, or glance at the Facebook or Twitter messages popping up in the corner of your screen. Off-screen, in your open-plan office, crosstalk about a colleague's preschooler might lure you away, or a co-worker may stop by your desk for a quick question.

And bosses wonder why it is tough to get any work done.

Distraction at the office is hardly new, but as screens multiply and managers push frazzled workers to do more with less, companies say the problem is worsening and is affecting business.

While some firms make noises about workers wasting time on the Web, companies are realizing the problem is partly their own fault.

Even though digital technology has led to significant productivity increases, the modern workday seems custom-built to destroy individual focus. Open-plan offices and an emphasis on collaborative work leave workers with little insulation from colleagues' chatter. A ceaseless tide of meetings and internal emails means that workers increasingly scramble to get their "real work" done on the margins, early in the morning or late in the evening. And the tempting lure of social-networking streams and status updates make it easy for workers to interrupt themselves.

"It is an epidemic," says Lacy Roberson, a director of learning and organizational development at eBay Inc. At most companies, it's a struggle "to get work done on a daily basis, with all these things coming at you," she says.

Office workers are interrupted—or self-interrupt—roughly every three minutes, academic studies have found, with numerous distractions coming in both digital and human forms. Once thrown off track, it can take some 23 minutes for a worker to return to the original task, says Gloria Mark, a professor of informatics at the University of California, Irvine, who studies digital distraction.

Companies are experimenting with strategies to keep workers focused. Some are limiting internal emails—with one company moving to ban them entirely—while others are reducing the number of projects workers can tackle at a time.

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