Manu Fernandez, Associated Press
A woman uses the system Masterpass for payment with phones at the Mobile World Congress, the world's largest mobile phone trade show in Barcelona, Spain, Tuesday, Feb. 25, 2014. Smartphones might lead to less productivity at work.

Working harder may be as simple as turning off your smartphone at night. The Wall Street Journal recently reported research has shown that staying in touch with work after hours via smartphones actually makes workers less productive the following day.

“After accounting for sleep quality, the researchers found that work-related smartphone use in the evening was associated with fewer hours of sleep,” the Journal said. “The subjects who recorded shorter nights also reported depleted reserves of self-control, and those who felt morning exhaustion also indicated they were less engaged during the day, a domino effect that shows how an unending workday ultimately leads to poorer work.”

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