Instructions

1

Go to the "Applications" folder and double-click "System Preferences." Select the "Energy Saver" icon.
2

Adjust the "Computer sleep" and "Display sleep" slide bars to change the time when the computer will go into sleep mode. If you are on a portable, use the tabs at the top of the screen to adjust the sleep mode times for when the computer is running from the battery or the power adapter.
3

Click the "Schedule" button and enter a specific time for the computer to wake up or sleep, if desired.