• Kai Liu, Ying Chen, Duozhi Wu, Ruzheng Lin, Zaisheng Wang, and Liqing Pan.
• Department of Health Care Center, Hainan Hospital of Hainan Medical College (Hainan General Hospital), Haikou, China. Electronic address: hmliukai@163.com.
• Complement Ther Clin Pract. 2020 May 1; 39: 101132.

BackgroundPatients with Coronavirus Disease 2019(COVID-19) will experience high levels of anxiety and low sleep quality due to isolation treatment. Some sleep-improving drugs may inhibit the respiratory system and worsen the condition. Prolonged bedside instruction may increase the risk of medical infections.ObjectiveTo investigate the effect of progressive muscle relaxation on anxiety and sleep quality of COVID-19.MethodsIn this randomized controlled clinical trial, a total of 51 patients who entered the isolation ward were included in the study and randomly divided into experimental and control groups. The experimental group used progressive muscle relaxation (PMR) technology for 30 min per day for 5 consecutive days. During this period, the control group received only routine care and treatment. Before and after the intervention, the Spielberger State-Trait Anxiety Scale (STAI) and Sleep State Self-Rating Scale (SRSS) were used to measure and record patient anxiety and sleep quality. Finally, data analysis was performed using SPSS 25.0 software.ResultsThe average anxiety score (STAI) before intervention was not statistically significant (P = 0.730), and the average anxiety score after intervention was statistically significant (P < 0.001). The average sleep quality score (SRSS) of the two groups before intervention was not statistically significant (P = 0.838), and it was statistically significant after intervention (P < 0.001).ConclusionProgressive muscle relaxation as an auxiliary method can reduce anxiety and improve sleep quality in patients with COVID-19.Copyright © 2020 The Authors. Published by Elsevier Ltd.. All rights reserved.

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