(In the Spanish version of the film) According to the plaque on Anna's incubator, she is put under sedation in 1974 and is awakened forty years later which would make it 2014 in the second half of the film. But when the doctor is informing her of the events that have taken place within the last forty years he tells her the year is 2015.
Anna's married name is Ortega. But in the Spanish version, the plaque on her incubator shows her name as 'Ana Castro'.