Description
The study found that both higher and lower deviations from usual sleep patterns predicted worse cognitive performance, revealing a non-linear relationship. The underlying neurobiological mechanisms driving this individualized sleep-cognition coupling remain unexplained, limiting development of personalized sleep interventions.
Gap type: unexplained_observation Source paper: Remote assessments of sleep and cognition in cognitively normal older adults at risk for Alzheimer disease. (2026, Sleep medicine, PMID:41456359)
Evidence summary
Resolved by hypothesis h-var-e2b5a7e7db: GluN2B-Mediated Thalamocortical Control of Glymphatic Tau Clearance. Score: 0.964. Supporting PMIDs: 19449329, 23431156, 26282667, 40994429, 40796363.