Go to Power Options in Control Panel and create a power profile called “day_power” that is set to never standby or hibernate, and a power profile called “night_power” that is set to hibernate after 1 minute.

Create a batch file called day_power.bat containing:

%windir%\system32\powercfg.exe /S day_power

Create a batch file called night_power.bat containing:

%windir%\system32\powercfg.exe /S night_power

Create a Scheduled Task called “day_power” with the following options: Program: day_power.bat Schedule: Daily at 8:00AM Other settings: Wake up the computer to run this task

Create a Scheduled Task called “night_power” with the following options: Program: night_power.bat Schedule: Daily at 10:00PM Other settings: Wake up the computer to run this task