Developer Journal

Behind the Scenes.

Insights into the development of Elara Health. Technical decisions, scientific foundations, and lessons from the community.

Read product, research, and community context in one place

The journal adds background on research decisions, product thinking, and lived experience. It works best when it helps readers move between articles, core guides, and deeper methodology.

One featured story and three recurring perspectives

Browse by research, development, or community perspective depending on what kind of background you want right now.

Featured nowThe Energy Envelope in ME/CFS: What the Evidence Actually ShowsThe Energy Envelope Theory describes the relationship between perceived available and expended energy. Here is what older studies suggest, where the limits are, and how Elara uses the concept today.Energy EnvelopePacingME/CFSResearchJanuary 15, 2026 · 7 minRead the featured article

Research8 minHRV and PEM: What Wearables Can Show — and What They CannotHRV, resting heart rate, and activity can add context to exertion and recovery over time. In our current analyses, however, they are not reliable stand-alone early warnings for PEM.Open article Development10 minThe Technical Architecture Behind Elara — Updated Privacy NotesAn updated look at Elara’s app and website architecture, data minimization, consent-based analytics, and why current privacy notices take precedence over older infrastructure examples.Open article Community6 minWhat We Learned From Our First UsersAfter six months in beta, we collected valuable feedback. The biggest takeaway: simplicity beats feature breadth - especially for people living with fatigue.Open article

Core topics that help frame the current article

These three areas usually give the clearest medical or practical context before you continue with individual posts.

PacingExplore the full pacing frameworkThe pacing hub connects practical routines, mistakes, and tracking into one coherent decision model.Open daily-life pacing ME/CFSConnect pacing to the illness patternPacing becomes clearer when reduced capacity and PEM are framed within the broader ME/CFS pattern.Open what is ME/CFS WhitepapersFollow the evidence baseThe whitepapers explain how Energy Envelope Theory and related models shape Elara’s approach.Open whitepapers

All Posts

Explore every article in the developer journal

Research

HRV and PEM: What Wearables Can Show — and What They Cannot

HRV, resting heart rate, and activity can add context to exertion and recovery over time. In our current analyses, however, they are not reliable stand-alone early warnings for PEM.

January 8, 2026 · 8 minRead

Community

What We Learned From Our First Users

After six months in beta, we collected valuable feedback. The biggest takeaway: simplicity beats feature breadth - especially for people living with fatigue.

December 20, 2025 · 6 minRead

Development

The Technical Architecture Behind Elara — Updated Privacy Notes

An updated look at Elara’s app and website architecture, data minimization, consent-based analytics, and why current privacy notices take precedence over older infrastructure examples.

December 1, 2025 · 10 minRead

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