Juggling the Limits of Lucidity: Searching for Cognitive Constraints in Lucid Dream Motor Practice: 4 Case Reports.

Lucid dreaming, where the dreamer knows they are dreaming, could enable motor practice, well-being, and nightmare therapy, but these applications require dream control, a skill that remains poorly understood. This study explored whether juggling, a complex motor skill, could be performed during lucid dreaming, requiring high dream control and access to procedural memory. Four healthy participants underwent overnight sleep monitoring, provided dream reports, and completed questionnaires. Dream control varied within and between participants. Both dream control and self-efficacy appeared to predict success in the dream motor task. Despite the small sample, the findings suggest individual traits like self-efficacy may shape dream control and motor performance during lucid dreaming.

Study at a glance

Abstract

Lucid dreaming (LD), during which the dreamer becomes aware of the dream state, offers a unique opportunity for a variety of applications, including motor practice, personal well-being, and nightmare therapy. However, these applications largely depend on the dreamer's ability to control their dreams. While LD research has traditionally focused on induction techniques to increase dream frequency, the equally important skill of dream control remains largely underexplored. This study provides an exploration into the mechanisms of LD motor practice, dream control, and its potential influencing factors. We specifically examined whether a complex motor skill-juggling-could be performed during LD, calling for relatively high levels of dream control and access to procedural memory. Four healthy participants underwent overnight polysomnography (PSG), provided detailed dream reports, and completed questionnaires assessing dream control and self-efficacy. Dream-task success was assessed using predefined in-dream motor performance criteria. Differences between high and low LD control participants were examined, and two detailed case reports of lucid dream juggling attempts provide insight into the challenges of executing complex motor tasks during LD. Dream control varied between and within participants. Both dream control and self-efficacy seemed to predict participants' ability to execute the LD motor task. Despite the low sample size, this study highlights the potential roles of individual traits like self-efficacy in shaping dream control abilities and motor performance during LD. By using empirical, task-based measures, this study helps build the foundation for future research aimed at optimizing LD applications in clinical and non-clinical fields.