macOS - Energy Saver settings
iMac
Prevent computer from sleeping automatically when the display is off Put the hard disk to sleep when possible Wake on network access Automatically wake up after a power failure Enable Power Nap During sleep, back up with Time Machine, check for new emails, and other iCloud updates regularly
MacBook
Put hard disks to sleep when possible Slightly dim display when on battery power Turn on Power Nap when on battery power Periodically check for new emails and other iCloud updates during sleep
Prevent the computer from sleeping automatically when the display is off Put the hard disk to sleep when possible Wake with Wi-Fi network access Turn on Power Nap while connected to the power adapter During sleep, back up with Time Machine and Regularly check for new emails and other iCloud updates
