“Creative cocoons” are pauses during the working day when employees are not interrupted. What a great idea, and very likely to increase productivity during "non-cocoon" time!
“They don’t have to answer email, they don’t have to answer the phone, they can just get that one thing done that’s going to make them feel good at the end of the day.” - Daniel Goleman
http://www.listener.co.nz/lifestyle/psychology/what-your-email-response-time-says-about-you/