A Patient Who Has Difficulty Falling Asleep at Night Because

A patient who has difficulty falling asleep at night because of anxiety over family problems asks if he should start taking sedative pills from the pharmacy to sleep better. The best advice to give this patient is that these pills can be used for:

A) long periods of time, but it is best to check with the physician first.
B) short periods of time, but it is best to check with the physician first.
C) long periods of time without physician approval, because they are nonprescription drugs.
D) short periods of time without physician approval, because they are nonprescription drugs.