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Adenosine Pressure

Meaning

Adenosine Pressure represents the homeostatic drive for sleep, a neurochemical load that accumulates in the central nervous system throughout the waking period. This pressure is a direct result of rising extracellular adenosine concentrations, a neuromodulator that signals metabolic energy expenditure and the need for cerebral rest. The magnitude of this pressure correlates precisely with the duration of wakefulness, acting as a measurable biological imperative for initiating the restorative sleep phase. This fundamental mechanism ensures that adequate time is allocated for the cellular repair and hormonal recalibration necessary for optimal health.