Reply to Sanguankeo and Upala on “Sleep disturbances increase the risk of dementia: A systematic review and meta-analysis

Recently the putative role of sleep problems in the incidence and development of dementia attracted considerable attention [1]. We previously reported on this relationship in a systematic review and meta-analysis [2]. In a commentary on our work, Drs. Sanguankeo and Upala proposed two points that might strengthen our meta-analysis [3]. We thank them for these suggestions and appreciate their efforts in improving the quality of our work. However, we should point out that in our meta-analysis, we had already taken the comments they offered into consideration.

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