Adaptation of recurrence plot method to study a polysomnography: changes in EEG activity in obstructive sleep apnea syndromeAnton Selskii, Oxana Drapkina, Mikhail Agaltsov, Olga Posnenkova, Margarita Simonyan, Maksim Zhuravlev and Anastasiya RunnovaEur. Phys. J. Spec. Top., 232 5 (2023) 703-714DOI: https://doi.org/10.1140/epjs/s11734-023-00814-8