Lilly's 12-year-old son used to get out of bed easily and early on school days, but lately he has been hard to wake. while reading a parenting book, lilly came across the theory of"delayed phase of preference," which states that sleep patterns shift when young people start to go through puberty. in this example, a theory lilly

gain practical guidance

Explanation:

According to my research on child development studies, I can say that based on the information provided within the question this theory most likely helped Lilly gain practical guidance. This is defined as tips or facts that help her understand the situation, which can also help her come up with a solution.

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