The Nurse Caring for the Patient with Dementia Notices That

The nurse caring for the patient with dementia notices that the patient stays awake most of the night.The nurse's most appropriate action would be to:

A) Give a prescribed sleeping medication.
B) Tell the patient that it is nighttime, and that she must go to sleep.
C) Check the patient's record to see whether she is sleeping during the day.
D) Put the patient to bed, and put the side rails up.