NREM sleep as a novel protective cognitive reserve factor in the face of Alzheimer's disease pathology https://bmcmedicine.biomedcentral.com/articles/10.1186/s12916-023-02811-z Prioritising quality sleep will help cognitive performance https://www.independent.co.uk/life-style/health-and-families/dementia-risk-sleeping-signs-glymphatic-system-b2820799.html Deep sleep resets the brain and prepares for new learning the next day