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News and technical articles.
Physiological intelligence, critical operations and what we are building at Dersalis.
Technical articles · October 29, 2026
Detecting fatigue without interrupting work: the role of parasympathetic activity
A model based on heart rate variability, validated over five industrial logistics shifts at Ocyan in Macaé, was right in 88% of its fatigue alerts without requiring any answer from the worker.
Insights · June 04, 2025
Fatigue on the night shift: what health data reveal
A case study of a 12-hour night shift: how heart rate variability reveals the windows of highest fatigue risk.