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Creative problem-solving after experimentally provoking dreams of unsolved puzzles during REM sleep
Karen R Konkoly1,2, Daniel J Morris1, Kaitlyn Hurka1
1Psychology Department, Northwestern University, Swift Hall. 2029 Sheridan Road, Evanston, IL 60208, United States.
Neuroscience of Consciousness
|February 9, 2026
Summary
Dreams during rapid eye movement (REM) sleep can boost creative problem-solving. Sound cues during REM sleep increased dreaming about specific puzzles, leading to improved next-day puzzle-solving abilities in frequent lucid dreamers.
Area of Science:
- Cognitive Neuroscience
- Sleep Science
- Psychology
Background:
- Dreams are anecdotally linked to creative insights.
- Previous studies lacked rigorous empirical support for REM sleep dreams enhancing problem-solving.
- Experimental and correlational evidence has been confounded by waking cognition or cannot establish causality.
Purpose of the Study:
- To investigate if dreams during REM sleep can directly promote creative problem-solving.
- To develop and test methods for experimentally manipulating REM sleep dream content.
- To explore the causal link between dream content and subsequent problem-solving.
Main Methods:
- Studied frequent lucid dreamers who could potentially control dream content.
- Used unique sound cues associated with unsolved puzzles during REM sleep.
- Monitored participants' dreams for cue-related content and subsequent puzzle-solving performance.
Main Results:
- Sound cues reliably increased dreaming about the associated puzzles.
- A post-hoc analysis revealed that increased cue-related dreaming correlated with enhanced puzzle-solving.
- This suggests a direct influence of REM sleep dreams on creative problem-solving.
Conclusions:
- REM sleep dreams can be experimentally biased to address specific challenges.
- Sound cues during REM sleep can facilitate creative problem-solving.
- This research provides empirical support for the role of dreams in next-day cognitive functions.
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