# Helena: Real-time Contact-free Monitoring of Sleep Activities and Events around the Bed

> Research article (2020 IEEE International Conference on Pervasive Computing and Communications (PerCom), 2020) · cited 24× · AI/ML

**Wikidata**: [openalex:W3039866371](https://www.wikidata.org/wiki/openalex:W3039866371)  
**Source**: https://4ort.xyz/entity/helena-real-time-contact-free-monitoring-of-sleep-activities-and-events-around-the-bed