Some operating systems benefit from being shut down and rebooted. Unplugging computers that are not in use can lower an electric bill. If you do decide to turn your computer off at night, then it's important to make sure that any operating system and virus software updates are completed before doing so, since turning it off could disrupt the update and leave you vulnerable to attacks.
Shutting the device off can also protect it from being accessed by onsite intruders simply because accessing a computer that is not already powered on takes longer. When a computer is completely off, it is not susceptible to attacks from the Internet or unauthorized electronic access. Turning the computer off at night offers a small, temporary increase in security.
