Basic Sciencemoderate evidence
Noradrenergic infraslow rhythm during sleep is the critical link between heart-rate dynamics and memory consolidation.
eLife·August 28, 2026·PMID 42663441
Why it mattersSleep-related heart rate variability may serve as a non-invasive marker of locus coeruleus function, which is relevant for monitoring cognitive health and early neurodegeneration.
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