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The Productivity Show

Ultradian Rhythms: How 90-Minute Focus Blocks Changed Everything (TPS613)

May 18 · 41 min · Episode 613 · 40.6 MB
0:00-41:46

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Ever feel like your focus just disappears after an hour of work? It’s not laziness—it’s biology. In this episode, we dive deep into the science of ultradian rhythms and why the popular “90-minute focus block” is both powerful and often misunderstood. We’ll separate productivity mythology from real biology, showing you how to identify your own peak windows, use deliberate recovery breaks, and adapt these blocks to fit your real life. Stop fighting your brain and start working with your natural energy cycles.

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Cheat Sheet

  • 🏆 Top 3 Productivity Resources [2:31]
  • 📱 The sneaky way busyness tricks you into thinking you had a productive day [5:54]
  • ✅ Why counting tasks done is one of the most dangerous productivity habits [9:01]
  • 📊 The token leaderboard problem — and why short-term metrics always backfire [16:48]
  • 🔄 The 90-minute mini-cycle your body runs all day (and what it means for your work) [19:29]
  • 🗓 How to actually build a 90-minute focus block that fits your real life [24:25]
  • 🍅 Are you leaving focus on the table with the Pomodoro Technique? [28:21]
  • ☕ What a real break looks like — and how to stay productive when life keeps interrupting [36:58]
  • 🎯 The one thing to track this week that could change how you structure your entire day [40:24]

Links

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