Complex sentence: She assumed the name of Sister Clare Mary Ann, O.S.C., on entering the monastery where the nuns slept on straw sacks, only ate meat at Christmas and spent much of their day in silent prayer or contemplation, speaking only when necessary and with permission.
Split into simpler sentences: She assumed the name of Sister Clare Mary Ann, O.S.C., on entering the monastery. The way of life of the Poor Clares was a spartan one, where the nuns slept on straw sacks, only ate meat at Christmas and spent much of their day in silent prayer or contemplation, speaking only when necessary and with permission.