Sandra Barneda

Sandra Barneda is not mentioned in any of the provided news articles. The articles focus on contestants from reality television shows such as 'La Isla de las Tentaciones' and 'Supervivientes'. One article discusses Claudia Martínez and Mario González expecting their first child. Another details Marisa Jara's anxiety episode on 'Supervivientes'. The third article covers Alejandra de la Croix's decision to leave 'Supervivientes' due to panic attacks. Therefore, it is impossible to provide information about Sandra Barneda based on the given context.