It's been a while so I don't remember specifics.

However, after looking around, it seem the category "Patterns of Success for the Working World" (http://calnewport.com/blog/archive/) captures what I thought the interesting content was. It's still 100+ blog posts, so you'll have to do a bit of sorting.

Here's a few from my own quick searching that I found most interesting/foundational/helpful:

http://calnewport.com/blog/2009/07/08/grit-grinds-and-living...

http://calnewport.com/blog/2012/11/21/knowledge-workers-are-...

http://calnewport.com/blog/2009/06/22/on-the-value-of-hard-f...

http://calnewport.com/blog/2009/02/16/the-danger-of-deep-pro...

http://calnewport.com/blog/2008/02/15/fixed-schedule-product...

http://calnewport.com/blog/2011/08/11/the-career-craftsman-m...

https://www.iwillteachyoutoberich.com/blog/getting-started-i...

...aaaaand that's why it may be a good idea to disconnect in order to get any work done.