- The Mental Fitness Podcast
- Episode 50
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Why You’re Still Tired After 8 Hours of Sleep | The Batteries Sleep Can’t Fix
August 11, 2026
Dave and Luke make the case that a day is fixed at 24 hours but energy is the variable, and break down the four types of energy we all carry, the difference between real and fake recovery, and a framework for building your day around your energy.
Read the articleYou had your hours planned out and still didn’t get everything done. Dave and Luke tackle one of the biggest misconceptions about productivity: that a better calendar or a tighter system is the answer to getting more from your time.
Their case is simple. A day is fixed at 24 hours, but energy is the variable that determines what you can do with it. They break down the four types of energy we all carry, the difference between real and fake recovery, and a framework for building your day around your actual energy instead of your calendar.
Chapters
- 00:00 The Hour You Couldn’t Use. Dave and Luke explain why a full calendar doesn’t guarantee a productive one.
- 02:23 Manage Energy, Not Time. The difference between managing your time and schedule versus managing your actual energy levels.
- 08:08 Types of Energy. A look at four different types of energy we carry and why it matters to recharge all of them.
- 21:54 The Energy Framework. Dave and Luke’s framework for learning to build your day around your energy.
- 32:02 Common Pitfalls. Common mistakes people make when trying to increase their energy and how to avoid them.
Links and Resources
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