To test the role of the nursing team leader's (nurse leader) proactivity in attenuating the adverse effect of the nursing team's workload on the team learning and subsequent performance and to consider the role of intellectual stimulation by the nurse leader in this moderated mediation effect. . To read the full article, log in using your NHS Athens details. To access full-text: click “Log in/Register” (top right hand side). Click ‘Institutional Login’ then select 'OpenAthens Federation', then ‘NHS England’. Enter your Athens details to view the article.