She also advocates logging off to promote creativity.

“I believe technology is a good thing – a great thing – but unplugging can be immensely valuable – especially if you’re exploring, collecting or with other people!” she wrote recently on LinkedIn. “Being away from a screen, even for a few hours, will allow you to be more in tune with your surroundings, and be more present with family and friends.”

Burch is on to something. Working around the clock is not only bad for corporate culture, it’s also bad business, according to experts. Longer hours don’t tend to correlate with more or better quality work.

For maximum productivity, workers need to take both breaks during the day and vacations, said Ron Friedman, a psychologist and founder of ignite80, a company that teaches strategies for working smarter.

“Studies show we have a limited capacity for concentrating over extended time periods, and though we may not be practiced at recognizing the symptoms of fatigue, they unavoidably derail our work,” wrote Friedman in Harvard Business Review.

“No matter how engaged we are in an activity, our brains inevitably tire,” he added.