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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.
On your Mac, choose Apple menu
> System Preferences, then click Energy Saver.Do either 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?