A nurse is providing teaching to the guardian of a child who has a new prescription for methylphenidate chewable tablet twice daily. Which of the following statements by the guardian indicates an understanding of the teaching?

"A runny nose is an expected adverse effect of this medication.”.

"I should give my child the second dose 2 hours before bedtime.”.

"My child may gain weight while they are taking this medication.”.

"My child may experience difficulty sleeping while taking this medication.”