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

Emma Peters, Clarita Bonamino, Kathrin Fischer, Daniel Erlacher

Brain Sciences August 18, 2025 DOI: 10.3390/brainsci15080879 (opens in new tab)

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Study at a glance

AI-extracted from the abstract
Characteristics Observational study Peer reviewed
Sample size 4
Population Healthy participants
Topics Dreaming Lucid dreaming
Keywords Rem sleep Dream control Motor practice
Key findings Dream control and self-efficacy appeared to predict participants' ability to execute a complex motor task (juggling) during lucid dreaming.

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.

Comparable studies

Other observational and cohort studies on lucid dreaming, most cited first.

Study Year Design Participants
Lucid Dreaming: a State of Consciousness with Features of Both Waking and Non-Lucid Dreaming Student volunteers trained to become lucid and signal lucidity with horizontal eye... 2009 Observational study n = 6
Neural Correlates of Dream Lucidity Obtained from Contrasting Lucid versus Non-Lucid REM Sleep: A Combined EEG/fMRI Case Study Experienced lucid dreamers 2012 Observational cohort n = 4
Real-time dialogue between experimenters and dreamers during REM sleep. Individuals during REM sleep, including frequent lucid dreamers, a novice, and a... 2021 Observational study n = 36
Lucid Dreaming in Narcolepsy Consecutive patients with narcolepsy and healthy controls 2015 Case-control study n = 106
Metacognitive Mechanisms Underlying Lucid Dreaming Human participants split into high- and low-lucidity groups based on reported dream... 2015 Observational cohort

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