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September 10, 2025Open Access

Immersive NREM dreaming preserves subjective sleep depth against declining sleep pressure

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Authors

AMAdriana MichalakUniversity of Modena and Reggio EmiliaDMDaniele MarzoliIMT School for Advanced Studies LuccaFPFrancesco PietrogiacomiIMT School for Advanced Studies Lucca

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Implication

Analysis shows immersive dreaming counteracts cortical activation, maintaining sleep depth amid sleep pressure decline.

Key Points

  • Perceived sleep depth increases with immersive dreaming, counteracting declines in sleep pressure and cortical activation.
  • Neural correlates showed lower high-to-low frequency power ratios in deeper sleep, indicating reduced cortical activation.
  • The study utilized high-density EEG combined with a serial awakening paradigm during NREM sleep for analysis.
  • Findings suggest that immersive dreaming challenges conventional views that associate deep sleep solely with decreased brain activity.

Cite This Study

Michalak et al. (2025) studied this question.

synapsesocial.com/papers/68c195649b7b07f3a06196a0https://doi.org/10.1101/2025.09.03.673907
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Immersive NREM2 dreaming preserves subjective sleep depth against declining sleep pressure2026
  2. 2Sleep homeostasis in a naturalistic setting2024 · 3 citations
  3. 3The neural generators of perceptual experiences during sleep2025
  4. 4The Dreamscape Project: Mapping the phenomenological and neurophysiological features of subjective experience during sleep2024
  5. 5Nightly dynamics of emotional content in dreams2025