The three-or-four-hours rule for getting creative work done
3 Hours or Nothing
workingtheorys.com
SIX at 6: A Dividing Line Between Success And Failure, Staring At A Word, The Creating Brain, A Productivity Trick, A Night of Pure Boredom, and Periods of Nondoing - Billy Oppenheimer
Billy Oppenheimerbillyoppenheimer.com