Today’s book: Why We Sleep by Matthew Walker—a science-packed guide to understanding why sleep isn’t a luxury—it’s a biological necessity for peak performance, health, and well-being.
Here’s your 1-minute summary:
- Sleep is foundational. It affects your energy, mood, memory, immune system, and long-term health.
- You need 7–9 hours a night. Anything less, consistently, and your body and brain start to break down.
- Sleep isn’t passive—it’s powerful. Your brain uses sleep to clean itself, file memories, and regulate emotions.
- Poor sleep = poor decisions. Even mild sleep deprivation impairs focus, creativity, and self-control.
- You can train better sleep. Go to bed and wake up at the same time, keep your room cool and dark, and power down screens early.
Protect your sleep like your life depends on it, because it does. What’s one habit you can improve tonight?
If you enjoyed that, check out the Philosopher’s Note for a deeper dive and check out Sleep 101, all in the Heroic app.
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