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Turn Power Nap on or off on Mac
If your Mac supports it, Power Nap is on by default when your Mac is plugged into a power adapter. You can easily change Power Nap settings.
Turn Power Nap on or off for a Mac desktop computer
On your Mac, choose Apple menu
> System Preferences, then click Energy Saver.Select or deselect “Enable Power Nap.”
Turn Power Nap on or off for a Mac notebook
On your Mac, choose Apple menu
> System Preferences, then click Battery.Do one of the following:
Specify Battery settings: Click Battery, then select or deselect “Enable Power Nap while on battery power.”
Specify Power Adapter settings: Click Power Adapter, then select “Enable Power Nap while plugged into a power adapter.”
See alsoWhat is Power Nap on Mac?