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¡¡Source and Image Credits: Tholke, P., Arcand-Lavigne, M., Lajnef, T. et al. Caffeine induces age-dependent increases in brain complexity and criticality during sleep. Commun Biol 8, 685¡Ê2025¡Ë. https://doi.org/10.1038/s42003-025-08090-z
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