It's called, The Secret World of Doing Nothing, by Billy Ehn and Orvar Lofgren (2010).

Chapter 3 is called "Daydreaming".

It might be interesting to some of you. A few pages of the chapter can be found here:

http://books.google.ca/books?id=rukb0qKCnwAC…

Also, how old are you, if you don't mind me asking?

If you don't want to answer that, then how many times have you changed degrees and/or jobs?

As for me, I am currently a third-year in industrial engineering, and I'm always on the edge of falling into severe depression. And please don't try to convince me to switch out.