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Every article on Frontiers is peer reviewed, permanently archived and free to read.

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Original Research
Published 9 October 2026
Polysomnographic and nocturnal heart rate correlates of cognitive impairment in Parkinson’s disease: a cross-sectional study
Zhang Linwei · Lv Pu · Wang Lu · Zhang Xiangfei · Wang Kang · Jin Miao
Frontiers in Neurology
doi 10.3389/fneur.2026.1913495