Blog
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 05, 2025
Heat stress: the silent enemy of productivity in industry
Heat and humidity raise the risk of syncope and collapse in mines and industrial plants. See how physiological data help prevent heat stress.

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.