People can actively incubate on specific ideas during sleep
Multiple studies demonstrate that presenting learning-associated cues during sleep can selectively reactivate and incubate specific memories or problem-solving tasks, leading to improved performance the next day.
The retrieved papers provide robust experimental evidence that individuals can actively incubate specific ideas or problems during sleep, particularly when aided by targeted memory reactivation techniques (like auditory cues or dream manipulation).
Kristin E. G. Sanders, Samuel Osburn, Ken A. Paller, Mark Beeman. Targeted Memory Reactivation During Sleep Improves Next-Day Problem Solving. 2019. https://doi.org/10.1177/0956797619873344
Targeting puzzle memories with sound cues during sleep significantly improved next-day problem solving, demonstrating active incubation.
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Konkoly KR, Morris DJ, Hurka K, Martinez AM, Sanders KEG, Paller KA. Creative problem-solving after experimentally provoking dreams of unsolved puzzles during REM sleep.. 2026. https://doi.org/10.1093/nc/niaf067
Using lucid dreams to target specific unsolved puzzles during REM sleep successfully biased dream content and boosted creative problem-solving.
Elizabeth Espinal, Evangelia G. Chrysikou, Stephan Bickel. Neurophysiological mechanisms of memory consolidation during sleep uncovered through targeted memory reactivation. https://doi.org/10.17918/00011088
Targeted memory reactivation using auditory cues during sleep facilitates memory consolidation and influences post-sleep performance.
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