# non-rapid eye movement sleep

> brain state during sleep

**Wikidata**: [Q1752878](https://www.wikidata.org/wiki/Q1752878)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Non-rapid_eye_movement_sleep)  
**Source**: https://4ort.xyz/entity/non-rapid-eye-movement-sleep


## References

1. Freebase Data Dumps. 2013
2. Great Norwegian Encyclopedia
3. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)