# irregular sleep–wake rhythm

> circadian sleep disorder characterized by at least three sleep episodes per 24-hour period, irregularly from day to day

**Wikidata**: [Q3454018](https://www.wikidata.org/wiki/Q3454018)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Irregular_sleep–wake_rhythm_disorder)  
**Source**: https://4ort.xyz/entity/irregular-sleep-wake-rhythm


## References

1. Monarch Disease Ontology release 2018-06-29