Here you can find all articles published by the Terra Research team. All articles consist of original findings.
Across 1,000+ users, HRV tends to peak on Monday/Tuesday—sleep consistency matters as much as duration, and weekend reco...
January 15, 2025
Analysis of 50,000+ HRV readings shows higher isn't always better—context and trends matter more than absolute values.
January 10, 2025
Data from 2,000+ athletes reveals highly individual relationships between training intensity and recovery—one size does...
January 5, 2025
We compared 15 popular wearables against clinical equipment to quantify accuracy for heart rate, sleep, and activity tra...
December 20, 2024
Analysis of 5,000+ women shows how cycle phases influence performance and recovery, informing smarter periodized trainin...
December 15, 2024
Longitudinal data from 10,000+ users shows recovery patterns and optimal training responses shift meaningfully with age.
December 10, 2024
Biomarker data highlights how stress, sleep quality, and immune function interact—and how to act on those insights.
December 5, 2024
CGM data from 3,000+ participants shows meal timing significantly impacts metabolic health and glucose regulation.
November 30, 2024
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