Research: Physical Activity, Sleep & Cognitive Function - A Narrative Review

Physical activity and exercise can improve cognitive function and reduce the risk for dementia. Other lifestyle factors, including sleep, are associated with cognitive function and dementia risk, and exercise is an effective therapeutic strategy for improving sleep. Based on these associations, it has been hypothesised that sleep might be an important mediator for the effects of exercise on cognition. This review evaluates whether sleep and physical activity are independently or jointly associated with cognitive function.