how to sleep on windows
Configure your Windows 7 PC to go into sleep mode automatically when it is not used for a certain amount of time. Click Start and select Control Panel.. Click System and Security.. Click Power Options.. A menu opens. Click on Choose when the computer sleeps and select the number of minutes of inactivity. You can also set a separate time interval to put your monitor into sleep mode. If you set both to 10 minutes, then your PC and monitor will automatically go into sleep mode after 10 minutes of inactivity.