If a Patient Taking Zolpidem (Ambien)experiences Working,eating,or Driving Without Being

If a patient taking zolpidem (Ambien) experiences working,eating,or driving without being aware or remembering it,it is usually because ________.

A) the patient did not get a full eight hours of sleep before becoming active
B) the drug is strongly addictive
C) the patient is having an absence seizure
D) the patient has developed dementia from taking Ambien