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The part of the brain primarily responsible for keeping us awake is the reticular activating system (RAS), which is located in the brainstem. The RAS regulates arousal and consciousness by receiving sensory input and sending signals to various brain regions to promote wakefulness. Additionally, neurotransmitters like norepinephrine and serotonin, produced in areas such as the locus coeruleus and raphe nuclei, play crucial roles in maintaining alertness.

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AnswerBot

2d ago

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