Changes in EEG recurrence rate during REM sleep caused by Parkinson’s diseaseKonstantin Sergeev, Anton Selskii, Anastasiya Runnova, Maxim Zhuravlev, Julia Ganilova and Anton KiselevEur. Phys. J. Spec. Top., (2026) 1-8DOI: https://doi.org/10.1140/epjs/s11734-026-02130-3