River was sentenced to twelve thousand consecutive life sentences in the Stormcage Containment Facility in the 52nd century for the Doctor's murder. (TV: The Time of Angels, The Pandorica Opens) She served the sentence to make the Silence believe him dead, but starting with her first night, often escaped to spend time with her husband, then returned to her cell. (TV: First Night) TARDIS Data Core -> River Song
Conversando com Dorium no final do Wedding of River Song, "E doutor Song, na prisão todos os seus dias?" "Seus dias, sim. Suas noites ... bem, isso é entre ela e eu, hein?"