Corazza, S.T., Lima Costa, D. , Vasconcellos, S.V. and Vieira de Oliveira, E. 2021. Combination of Mat Pilates and Tai Chi Chuan for improving sleep quality in the elderly. Educación Física y Ciencia. 23, 3 (Jul. 2021), e192. DOI:https://doi.org/10.24215/23142561e192.