Which Information Obtained by the Nurse About an Older Adult

Which information obtained by the nurse about an older adult who complains of occasional insomnia indicates a need for patient teaching ?

A) Drinks a cup of coffee every morning with breakfast
B) Eats a snack every evening 1 hour before going to bed
C) Reads or watches television in bed on most evenings
D) Takes a warm bath just before bedtime every night
E) Uses diphenhydramine as an occasional sleep aid