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Recovery Score Algorithm Update Shift

Recovery score algorithm update shift happens when firmware changes move green-yellow bands without lifestyle changes—rebuild two-week baselines after vendor updates.

Recovery score algorithm update shift is when WHOOP, Oura, Garmin, or Apple changes firmware and your green-yellow bands jump without any lifestyle change—scores are comparable within a firmware era, not across silent updates. After updates, rebuild two-week personal baselines before trusting thresholds for load decisions.

Do not rewrite training history mentally when yesterday's green becomes today's yellow. Read release notes when apps prompt upgrades.

Common questions

  • Why did my recovery scores change overnight?

    Check app release notes for algorithm updates first. If none, look at sleep, illness, and travel. Vendor shifts require new personal baselines—not instant training panic.

Related guide

Stress and Sleep Connection: Wind-Down, Cortisol, and When to Deload →

Related terms

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