New research at the Yerkes National Primate Research Center, Emory University, may help scientists understand empathy, the mechanism thought to underlie contagious yawning, in both chimpanzees and humans.
boredom
How To Cope Up With Boredom
It is said that boredom is more stressful than overwork. The reason probably is that time not well spent can be stressful indeed, if it lacks the challenge or appreciation you are aspiring can lead to non productivity owing to lack of focus.