Because of this, it is important to first define, what each of these power-down options mean. While each of these power-down options appears to shut off your computer, they all work differently. Perhaps you have even consulted with multiple professionals and received mixed feedback on what is best. Should I hibernate, sleep, or shut down my computer? Whether you are concerned about efficiency, your device’s health, or energy consumption, this is something most of us have wondered before. Shared IT Services (SITS) Migration Information.Office of General Counsel (OGC) Legal Management System.IRIS Program (IT Research Infrastructure Services).