Complex sentence: Olive woke one morning at the age of 14 to a vivid dream calling her into the service of the church and eight years later, became a nun in the order of Our Lady of the Sacred Heart as Sister Eucharia.
Split into simpler sentences: Olive woke one morning at the age of 14 to a vivid dream calling her into the service of the church. She then, at the age of 22, she became a nun in the order of Our Lady of the Sacred Heart as Sister Eucharia.