A Client Has Been in the Intensive Care Unit for a Week

A client has been in the intensive care unit for a week receiving various procedures throughout the day and night.Currently the client,though physiologically stable,is irritable and paranoid and complains of vivid dreams when dozing off to sleep.What are the best actions for the nurse to take at this time?
Select all that apply.

A) Check the client's oxygen status.
B) Request an order for sleep medication.
C) Assess the client's vital signs.
D) Turn down the lights at night and reduce noise to a minimum.
E) Schedule all tests and procedures before 9 p.m.or after 7 a.m.