Abstract：Objective To explore the relationships between psychological stress and sleep quality of clinical nurses and the mediating effect of mental resilience in order to promote the physical and mental health of clinical nurses.Methods A total of 806 clinical nurses form a hospital in Beijing were assessed with Chinese Perceived Stress scales (CPSS), Pittsburgh sleep quality index(PSQI) and Connor-Davidson Resilience Scale(CD-RISC).Results The average PSQI score was 6.47±2.73 among these clinical nurses and 56.95% of them reported poor sleep quality (PSQIscore＞7). Psychological stress was significantly positively correlated with sleep quality and each factor of sleep(P<0.05). Mental resilience was significantly negatively correlated with sleep quality(P<0.05).Resilience partially mediated between psychological stress and sleep quality of clinical nurses, with a mediating effect of 0.15 and accounting for 29.5% of the total effect.Conclusions Psychological stress and mental resilience have a great impact on the sleep quality of clinical nurses. Resilience is a partial mediator between psychological stress and sleep quality.
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