# Sleep-wake stages classification using heart rate signals from pulse oximetry

> Research article (Heliyon, 2019) · cited 15× · AI/ML

**Wikidata**: [openalex:W2979116129](https://www.wikidata.org/wiki/openalex:W2979116129)  
**Source**: https://4ort.xyz/entity/sleep-wake-stages-classification-using-heart-rate-signals-from-pulse-oximetry