# A New Kind of Permutation Entropy Used to Classify Sleep Stages from Invisible EEG Microstructure

> Research article (Entropy, 2017) · cited 115× · AI/ML

**Wikidata**: [openalex:W2609490976](https://www.wikidata.org/wiki/openalex:W2609490976)  
**Source**: https://4ort.xyz/entity/a-new-kind-of-permutation-entropy-used-to-classify-sleep-stages-from-invisible-eeg-microstructure