😴 Most leaders I chat to think recovery is something you “get to” at the weekend… but your physiology is adapting to your behaviour every single night 🔬

What’s often missed is that it’s not just your 'average' recovery that matters… it’s how 'consistent' that recovery is.

🧠 The science here is evolving quickly. A recent large-scale study analysing nearly 2 million nights of data found that variability in heart rate variability (HRV) during sleep, not just the absolute value, reflects how stable (or unstable) your behaviours are (Grosicki et al., 2026 - https://lnkd.in/dxm6aaqq). Oh, and for fan boys like me, Andy Galpin is a Co-author 💪

Higher day-to-day fluctuations in HRV (higher HRV-CV) were associated with:

• More alcohol 🍷

• Less physical activity 🚶

• Shorter sleep duration 😴

• Inconsistent sleep timing ⏰

In simple terms…

Your nervous system doesn’t just respond to stress…it responds to how predictable your recovery is. And when that predictability drops, so does your physiological stability.

⚙️ Practically, this matters more than most leaders realise.

Because high-performance environments often reward intensity…but biology rewards rhythm.

Not perfection. Not extremes. Rhythm.

That means:

• Going to bed within a consistent window 🛌

• Keeping movement regular, not sporadic 🚶‍♂️

• Reducing “all or nothing” weeks 📉

• Limiting sharp swings in behaviour (especially alcohol + sleep) 🍷

None of these are groundbreaking on their own…but compounded over weeks, they stabilise the very systems that drive energy, focus, and decision-making.

📉 The leaders who feel “wired but tired” often don’t have a capacity problem; they have a recovery problem.

🌱 The reflection here is simple:

Sustainable performance isn’t built on heroic days…it’s built on predictable recovery.

Small, repeatable behaviours that your physiology can trust. Because when the body trusts the environment…Performance follows.