Does your Mac suddenly wake up, often just for a brief moment, when it should be in sleep mode? The instructions outlined in this brief tutorial will resolve the problem.

1. Navigate to /Library/Preferences/SystemConfiguration/ and look for the file titled com.apple.AutoWake.plist. It’s probably not there.


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2. Open your System Preferences and select Energy Saver. Click the Schedule… button.


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3. Place a check in the box labeled Start up or wake. Click OK.



4. The com.apple.AutoWake.plist file show now appear in /Library/Preferences/SystemConfiguration/


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5. Go back to the Schedule area and remove the check mark from the Start up or wake box. Your Mac will no longer wake-up from sleep mode when it shouldn’t.

Thanks to Collin @ Command-Tab for researching this one.