Use of heart rate monitors to measure heart rate variability at rest: a literature review . Research, Society and Development, [S. l.], v. 10, n. 11, p. e575101120026, 2021. DOI: 10.33448/rsd-v10i11.20026. Disponível em: https://rsdjournal.org/rsd/article/view/20026. Acesso em: 5 dec. 2025.