# Physiological signal-based drowsiness detection using machine learning: Singular and hybrid signal approaches

> Research article (Journal of Safety Research, 2021) · cited 88× · AI/ML

**Wikidata**: [openalex:W4200550203](https://www.wikidata.org/wiki/openalex:W4200550203)  
**Source**: https://4ort.xyz/entity/physiological-signal-based-drowsiness-detection-using-machine-learning-singular-and-hybrid-signal-approaches