I really loved the book in combination with the book Flow by Mihaly Csikszentmihalyi. In Deep Work are several strategies explained to get into a state of flow by doing deep work. [0]
- [0] https://www.robinwieruch.de/lessons-learned-deep-work-flow/
- [0] https://www.robinwieruch.de/lessons-learned-deep-work-flow/
Sam Harris's Waking Up, along with an app like Headspace, would be great places to start.