Set sleep and wake settings for your Mac
You can set your Mac to go to sleep after a specified duration of inactivity. You can also set your Mac to go to sleep and wake up at a specific time.
Note: Some of the options may not be available, depending on your Mac.
Specify sleep and wake settings for a Mac notebook computer
On your Mac, choose Apple menu
.Do any of the following:
Set your Mac to go to sleep and wake up at a specific time: Click Schedule, then select the options you want to use.
Set the amount of time your computer should wait before going to sleep while on battery power: Click Battery, then drag the “Turn display off after” slider.
Set the amount of time your computer should wait before going to sleep while plugged into a power adapter: Click Power Adapter, then drag the “Turn display off after” slider.
Keep your Mac from going to sleep automatically: Click Power Adapter, then select “Prevent your Mac from sleeping automatically when the display is off.”
Put hard disks to sleep: Click Battery or Power Adapter, then select “Put hard disks to sleep when possible.”
Keep your display dimmed while using your battery: Click Battery, then select “Slightly dim the display while on battery power.”
Update your system while it’s asleep: Click Battery, then select “Enable Power Nap while on battery power.” Click Power Adapter, then select “Enable Power Nap while plugged in to a power adapter.”
Allow your Mac to wake briefly so users can access shared services (if applicable): Click Power Adapter, then select any of the available “Wake for” options, such as “Wake for network access.”
Specify sleep and wake settings for a Mac desktop computer
On your Mac, choose Apple menu
.Do any of the following:
Set your Mac to go to sleep and wake up at a specific time: Click Schedule, then select the options you want to use.
Set the amount of time your computer or display should wait before going to sleep: Drag the “Turn display off after” slider.
Keep your Mac from going to sleep automatically: Select “Prevent your Mac from sleeping automatically when the display is off.”
Put hard disks to sleep: Select “Put hard disks to sleep when possible.”
Keep your Mac turned on whenever power is available: Select “Start up automatically after a power failure.”
Update your system while it’s asleep: Select “Enable Power Nap.”
Allow your Mac to wake briefly so users can access shared services (if applicable): Select any of the available “Wake for” options, such as “Wake for network access.”