Unraveling the Enigma of Sleep: A Critical Exploration of Cortical network Dynamics.
Sleep has long been recognized as a fundamental physiological process, crucial for the well-being of both humans and animals.
Xu et al. show that waking progressively disrupts neural dynamics criticality in the visual cortex and that sleep restores it. Deviations from criticality predict future sleep/wake behavior better than prior behavior and slow-wave activity.
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