Blagrove, M., Hale, S., Lockheart, J., Carr, M., Jones, A., & Valli, K. Testing the Empathy Theory of Dreaming: The Relationships Between Dream Sharing and Trait and State Empathy. Frontiers in Psychology, 10, 1351. https://doi.org/10.3389/fpsyg.2019.01351 (Original work published 2019)