Mentioned papers: Appel, K., Füllhase, S., Kern, S., Kleinschmidt, A., Laukemper, A., Lüth, K., ... & Vogelsang, L. (2020). Inducing signal-verified lucid dreams in 40% of untrained novice lucid dreamers within two nights in a sleep laboratory setting. Consciousness and Cognition, 83, 102960. Gupta, A. S., Van Der Meer, M. A., Touretzky, D. S., & Redish, A. D. (2010). Hippocampal replay is not a simple function of experience. Neuron, 65(5), 695-705. (German only:) https://www.dgsm.de/fileadmin/dgsm/Arbeitsgruppen/traum/Alptraeume_Was_kann_ich_dagegen_tun.pdf