How to Turn Off the PS4
Holding the power button is an excellent way to ensure that your console turns itself off completely instead of going to sleep like your smartphone does when you’re done with it. It’ll take longer to get going with your favorite games, but you’ll save a little on your power bill by shutting the console completely down.
The savings, according to ArsTechnica is only around $10 a year. However, that's $10 that you can spend on an indie game in the PlayStation Store. Turning off the console completely does mean that you'll need to manually update your games when you turn the system on. You might also find yourself downloading updates to the console's software when you'd rather be gaming.
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