Researchers in Japan have scientifically documented what dwellers of Dilbertville have known for years: Prolonged daily computer use can make you sore and sap your strength, energy and motivation.
In a three-year study of more than 25,000 workers,

Japanese researchers discovered that people who sat in front of computer screens were more likely to experience physical pain such as eye and shoulder strain, and to suffer from motivational symptoms such as lethargy.

so THAT'S the problem...