The relationship between professional quality of life and sleep quality among nurses working in intensive care units: a cross-sectional study.

Background: Intensive care unit (ICU) nurses work under heavy workloads, which can lead to serious consequences for nurses' outcomes and patient safety. This study aimed to examine the relationship between professional quality of life (Pro QOL), and sleep quality among ICU nurses during the COVID-19 outbreak.

Methods: A cross-sectional and multicentre study was conducted on 253 nurses in 20 COVID-19 ICUs in four major teaching hospitals from July 2021 to June 2022.