The term Deep work was coined by Cal Newport, a computer science professor at Georgetown University and author of “Deep Work: Rules for Focused Success in a Distracted World.” In his book, Newport defines deep work as a state of distraction-free concentration when your brain works at its maximum potential.These are worth reading in full. I would also recommend the book Getting Things Done, which presents a highly popular personal productivity system for how to manage the shallow work, including emails, materials, and scheduling. Draining the shallows allows you to devote more time on meaningful deep work.Deep Work a book