Which Action by the Nurse Manager of an Acute Care

Which action by the nurse manager of an acute care unit will improve the alertness of nurses who must work the night shift?

A) Arrange for older staff members to work most night shifts.
B) Provide a sleeping area for staff to use for napping at night.
C) Post reminders about the relationship of sleep and alertness.
D) Schedule nursing staff to rotate day and night shifts monthly.