Dreaming of a learning task is associated with enhanced sleep-dependent memory consolidation
Open accessAbstract
It is now well established that postlearning sleep is beneficial for human memory performance. Meanwhile, human and animal studies have demonstrated that learning-related neural activity is re-expressed during posttraining nonrapid eye movement (NREM) sleep. NREM sleep processes appear to be particularly beneficial for hippocampus-dependent forms of memory. These observations suggest that learning triggers the reactivation and reorganization of memory traces during sleep, a systems-level process that in turn enhances behavioral performance. Here, we hypothesized that dreaming about a learning experience during NREM sleep would be associated with improved performance on a hippocampus-dependent spatial memory task. Subjects were trained on a virtual navigation task and then retested on the same task 5 hr after initial training. Improved performance at retest was strongly associated with task-related dream imagery during an intervening afternoon nap. Task-related thoughts during wakefulness, in contrast, did not predict improved performance. These observations suggest that sleep-dependent memory consolidation in humans is facilitated by the offline reactivation of recently formed memories, and furthermore that dream experiences reflect this memory processing. That similar effects were not observed during wakefulness suggests that these mnemonic processes are specific to the sleep state.
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When participants played an emotionally engaging ski computer game, 30% of dreams reported upon awakenings shortly after sleep onset contained elements related to the computer game.
“When participants played an emotionally engaging ski computer game, 30% of dreams reported upon awakenings (from non-REM sleep stage 1 and 2) shortly after sleep onset contained elements related to the computer game (1304).”
From About Sleep's Role in Memory (2013) · cites this paper as [1304]
The Results and Discussion section (page unavailable) describes a virtual maze task, not a ski game. It reports that four sleep-group participants (8.0%) mentioned the maze in verbal dream reports; it does not report the claimed 30% figure for dreams after a ski game. (LLM, conf=0.88)
Checked by a reasoning model — may be wrong.
Experimental — accuracy not yet measuredDream contents are often related to waking-life experiences.
“they are often related to waking-life experiences”
From The Functional Role of Dreaming in Emotional Processes (2019) · cites this paper as Wamsley et al., 2010
The Results and Discussion section, “Task-Related Reports are not Veridical Reiterations of the Learning Experience” (page unavailable), describes dreams related to a waking maze task, supporting the basic connection. But the paper reports a specific task-related subset, not that dream contents are often related to waking-life experiences in general. (LLM, conf=0.83)
Experimental — accuracy not yet measured
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Self-citationAlpha reactivity to first names differs in subjects with high and low dream recall frequency
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Olfactory Stimulation During Sleep Can Reactivate Odor-Associated Images
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Daily Life Experiences in Dreams and Sleep-Dependent Memory Consolidation
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Hippocampal Sleep Features: Relations to Human Memory Function
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Daydreams and nap dreams: Content comparisons
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The memory sources of dreams: serial awakenings across sleep stages and time of night
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Self-citationRecontextualizing Anthropomorphic Metaphors in Organization Studies
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The impact of sleep on novel concept learning
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Self-citationPrefrontal coding of learned and inferred knowledge during REM and NREM sleep
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Conceptual Commitments of the LIDA Model of Cognition
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Targeted dream incubation at sleep onset increases post-sleep creative performance
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Self-citationMemory as Triage: Facing Up to the Hard Question of Memory
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NREM sleep spindles are associated with dream recall
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Test Expectation Enhances Memory Consolidation across Both Sleep and Wake.
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Self-citationEEG predictors of dreaming outside of REM sleep.
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Self-citationComparing the Effects of Sleep and Rest on Memory Consolidation
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Embracing sleep onset complexity
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Negative reinforcement impairs overnight memory consolidationPreprint
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- Authors
- Wamsley, E. J., Tucker, M., Payne, J. D., Benavides, J. A., & Stickgold, R.
- Affiliations
- Beth Israel Deaconess Medical Center (US)
- Corresponding author
- Stickgold, Robert
- Venue
- Current Biology
- Publisher
- Elsevier BV
- Published
- 2010-05
- Volume
- 20
- Issue
- 9
- Pages
- 850-855
- ISSN
- 0960-9822 (ISSN-L)
- PMC
- PMC2869395
- OpenAlex
- W2017588681
- Cited by
- 255
- References
- 48
- Citations by year
- 2026: 9 · 2025: 13 · 2024: 13 · 2023: 30 · 2022: 9 · 2021: 15 · 2020: 16 · 2019: 9 · 2018: 19 · 2017: 15 · 2016: 12 · 2015: 19 · 2014: 17 · 2013: 25 · 2012: 10
- FWCI
- 11.41
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Licence
- Locations
- Current Biology (publishedVersion)
- PubMed (publishedVersion)
- Europe PMC (PubMed Central) (acceptedVersion)
- PubMed Central (acceptedVersion)
- Funders
- National Institutes of Health
- National Heart, Lung, and Blood Institute (T32 HL 07901, T32HL007901)
- National Institute of Mental Health (R01MH065292, R01-MH 48832, R01MH048832, R01-MH65292)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory and Neural Mechanisms
- Life Sciences › Neuroscience › Cognitive Neuroscience › Memory Processes and Influences
- Keywords
- sleep-dependent memory consolidation, dreams, NREM sleep, hippocampal-dependent memory, spatial memory, memory reactivation, dream imagery, memory reorganization
- MeSH terms
- Adolescent, Adult, Cognition, Dreams, Female, Humans, Male, Memory, Psychomotor Performance, Sleep Stages, Maze Learning, Young Adult
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