According to new research, there are no fewer than five types of boredom — one more than previously theorized. This new type of boredom is marked by a strong strain of apathy, psychologists reported in the November issue of the journal Motivation and Emotion.

“Of particular concern is the relative frequency of apathetic boredom observed in the present research,” lead psychologist Thomas Goetz of the University of Konstanz in Germany and his colleagues wrote. Among high-school students studied, they found, apathetic boredom made up 36 percent of their boredom experiences.

via New Type of Boredom Discovered, and It’s Rampant | LiveScience.