The Deep Work Habit: How to Eliminate Digital Distractions and Achieve Flow
1. 90-Minute Ultradian Flow Sprints
Human cognitive stamina naturally peaks in 90-minute ultradian cycles. Two intense focus sprints daily outproduce 8 hours of fragmented multitasking.
๐ก 2026 Core Takeaways & Implementation Checklist
- โ Physical device isolation: keep phones in another room during focus blocks.
- โ Work in two dedicated 90-minute ultradian focus sessions each day.