A Patient with a Seizure Disorder Asks the Purpose of Staying

A patient with a seizure disorder asks the purpose of staying awake all night before having an electroencephalogram (EEG) in the morning. What should the nurse explain to this patient?

A) "You will be expected to sleep during the test."
B) "Most people with seizure disorders receive too much sleep."
C) "This is the only way to confirm that you really have a seizure disorder."
D) "Sleep deprivation can cause a seizure, which will be helpful during the test."