An anxious mental state when a person is afraid of missing an interesting or important event.The phenomenon is characterized by an irresistible desire to constantly stay aware of what is happening, which is often accompanied by psychological dependence on being online. The condition is provoked, among other things, by browsing social networks. The most common manifestations of the syndrome are feelings of boredom and loneliness. According to Dan Ariely, a professor of psychology and behavioral economics at Duke University, the meaning of the syndrome of missing out is the fear of wasting your time.