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flag Caffeine disrupts sleep by increasing brain activity linked to wakefulness, study finds.

flag A recent study in Nature Communications Biology reveals that caffeine can keep the brain overly active during sleep, especially in young adults. flag Using EEG and artificial intelligence, researchers from the University of Montreal found that caffeine increases brain signal complexity and boosts a state of "criticality," which is not ideal for restful sleep. flag This was observed as caffeine increased brain waves linked to wakefulness while weakening those necessary for deep sleep.

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