Terence Tao has written about his routines - https://terrytao.wordpress.com/2008/08/07/on-time-management/ https://terrytao.wordpress.com/2008/08/07/on-time-man

Terence Tao has written about his routines - https://terrytao.wordpress.com/2008/08/07/on-time-management/ https://terrytao.wordpress.com/2008/08/07/on-time-management... I also found http://calnewport.com/books/deep-work/ http://calnewport.com/books/deep-work/ has some pretty good suggestions.