Medicine and Health
Attentional failures after sleep deprivation represent moments of cerebrospinal fluid flow
Z. Yang, S. D. Williams, et al.
Sleep loss doesn't just make you tired — it lets sleep-like pulses of cerebrospinal fluid invade wakefulness, linked to attention lapses and coordinated with neuronal, pupil, and systemic changes. Using simultaneous fast fMRI-EEG, this study reveals that CSF flow surges when attention fails — suggesting a vascular, neuromodulatory mechanism behind sleep-deprivation-related cognitive decline. This research was conducted by the authors present in <Authors>.
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