# Entropy Analysis of Heart Rate Variability in Different Sleep Stages

> Research article (Entropy, 2022) · cited 29× · AI/ML

**Wikidata**: [openalex:W4221123534](https://www.wikidata.org/wiki/openalex:W4221123534)  
**Source**: https://4ort.xyz/entity/entropy-analysis-of-heart-rate-variability-in-different-sleep-stages