Peter Bergman wrote an HBR blog post last week How (any Why) to Stop Multitasking. Bergman tried to stop multitasking for a week as an experiment. His post lists six benefits from his experiment including this observation:
I lost all patience for things I felt were not a good use of my time.
Multitasking can mask the pain of doing something that doesn’t need to be done.
Thanks to Neal Richter for pointing out this article.
Update: See this post on the study that Bergman quotes on how multitasking lowers your IQ more than smoking marijuana does. The study made a big splash even though it had a ridiculous design.