In another study also released Wednesday, researchers at the University of California Irvine linked a lack of sleep with compulsive Facebook checking. With funding from the National Science Foundation, the report showed a direct connection between chronic lack of sleep, a worsening mood and an increased dependence on browsing Facebook.

Also, because they used Facebook more, participants were less productive.

“When you get less sleep, you’re more prone to distraction,” lead researcher Gloria Mark said in a statement. “If you’re being distracted, what do you do? You go to Facebook. It’s lightweight, it’s easy, and you’re tired.”

Read the full story on the Daily Sabah website.