Interactive association between insomnia symptoms and sleep duration for the risk of dementia-a prospective study in the Swedish National March Cohort.

"Declaration of Conflicts of Interest None. Declaration of Sources of Funding This research was supported by ZJU 100 Young Professor Project (X.T.), Åke Wiberg Foundation (X.T., M19–0266), Fredrik and Ingrid Thuring Foundation (X.T., 2019–00488) and Region Stockholm Clinical Research Appointment (Y.T.L.), the Swedish Research Council (HX.W., 2018–02998), and the Swedish Research Council for Health, Working life, and Welfare (HX.W., 2019–01120, 2020–00313). The funders had no role in the design and conduct of the study, nor the decision to prepare and submit the manuscript for publication."

"Declaration of Sources of Funding This research was supported by ZJU 100 Young Professor Project (X.T.), Åke Wiberg Foundation (X.T., M19–0266), Fredrik and Ingrid Thuring Foundation (X.T., 2019–00488) and Region Stockholm Clinical Research Appointment (Y.T.L.), the Swedish Research Council (HX.W., 2018–02998), and the Swedish Research Council for Health, Working life, and Welfare (HX.W., 2019–01120, 2020–00313). The funders had no role in the design and conduct of the study, nor the decision to prepare and submit the manuscript for publication."