Many time when you leave you Windows unused for long time, it goes into sleep mode or hibernation mode to save power, but in case you do not want your PC to go into sleep mode or hibernation or even shutdown or restart, then Don’t Sleep is a freeware app which prevents these actions on Windows. You can manually set the options which needs to be disabled by this application.
Don’t Sleep has a timer that allows time control unblock, or shutdown the computer for a specified time. Don’t Sleep does not have to be installed and can be executed easily from the desktop, and can be carried on a small USB or other memory device.
If you want the application to block any of the activities related to shutdown or sleep or hibernate, then check the box against that and sent the application to system tray. The utility will monitor the actions and prevent it.
It can be used to prevent system shutdown, Standby, Hibernate, Turn Off and Restart.