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) Has a snack every evening 1 hour before going to bed
C) Likes to read or watch television in bed on most evenings
D) Usually takes a warm bath just before bedtime every night
E) Occasionally uses diphenhydramine (Benadryl) as a sleep aid