A homeless female client who reports feeling sad and depressed tells the mental health nurse that in the past two days, the client has only had four hours of sleep. Which action is most important for the nurse to implement within the first 24 hours after treatment is initiated?

C Encourage verbalization of feelings. D Ensure the client attends groups addressing coping skills for dealing with depression. A Allow the client to rest and sleep. B Begin planning for the client's discharge.