During a health history, the nurse explores the sleeping habits of a 3-year-old boy by interviewing his parents. Which statement from the parents reflects a recommended guideline for promoting healthy sleep in this age group?

Our son occasionally experiences night walking, so we allow him to stay up later when this happens

Our son still sleeps in a crib because we feel it is the safest place for him at night

We keep a strict bedtime ritual for our son, which includes a bath and bedtime story

Our son sleeps through the night, and we insist that he takes two naps a day