This article was originally published here BMJ Open. 2021 Nov 26;11(11):e054885. doi: 10.1136/bmjopen-2021-054885. ABSTRACT INTRODUCTION: Bidirectional associations have been reported between sleep disturbance and both cognitive impairment, including Alzheimer’s disease and amyloid beta-peptide (Aβ) accumulation. These relationships can be explained by the glymphatic system, which acts as a garbage drainage system in the brain. As […]