So say scientists from the University of California in Irvine. Reduced efficiency and insomnia, as it turned out, provoke young people to spend night after night in social media and other "time-killers".
In total the study involved 34 of the 42 guy and girl. Young people used social networking and could not imagine life without this method of communication. The experiment lasted one week. During this time twice a day scientists interviewed the volunteers about their leisure time, and sleep quality.
Each morning, subjects were sent a report of how much they slept over the past day and evening shared with scientists, what did you do during the day. It turned out that insomnia had forced many volunteers to sit at night in your social networks to fall asleep. It was the beginning of Internet addiction and attachment to a particular website.