BackgroundHabitual daytime napping is a significant aspect of many older adults' sleep-wake cycle. Growing evidence links napping and cognition in the context of Alzheimer's disease (AD), yet little i Show more
BackgroundHabitual daytime napping is a significant aspect of many older adults' sleep-wake cycle. Growing evidence links napping and cognition in the context of Alzheimer's disease (AD), yet little is known about how genetic risk influences this relationship.ObjectiveThis study investigates interactions between genetic risk for AD and napping on cognition in 1655 cognitively healthy middle-aged to older adults.MethodsCognition was assessed using a self-administered online battery and reduced to three variables: memory, visuospatial abilities and executive functions. Genetic risk was assessed with the presence of Show less