# Night-Time Noise and Sleep Quality in an Internal Medicine Ward in Portugal: An Observational Study

> Research article (Acta Médica Portuguesa, 2023) · cited 11× · AI/ML

**Wikidata**: [openalex:W4324026559](https://www.wikidata.org/wiki/openalex:W4324026559)  
**Source**: https://4ort.xyz/entity/night-time-noise-and-sleep-quality-in-an-internal-medicine-ward-in-portugal-an-observational-study