Sleep Preventer: Prevent your computer from switching to Sleep, Hibernate, Standby mode

We have already seen two tools – Mouse Jiggler and Insomnia that can prevent your Windows computer from going to sleep. Sleep Preventer is yet another portable app that prevents a computer from dimming the screen display or entering into standby, sleep, or  hibernating mode.


To use this freeware:

  • Download the application and extract its contents with the help of free 7-Zip program.
  • Run the application. It is a portable app.
  • Click on ‘Prevent Sleep’ button to activate the utility. It will change to Preventing Sleep.
  • Once activated, the software will minimize itself in the system tray and can be accessed whenever required.


To exit the app, simply right-click on the icon and select Exit.

Sleep Preventer is a very simple and an efficient application for Windows 7, Vista and XP.

Download Sleep Preventer from here.

Also check out Insomnia & Mouse Jiggler.

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The author Hemant Saxena is a post-graduate in bio-technology and has an immense interest in following Windows, Office and other technology developments. Quiet by nature, he is an avid Lacrosse player. Creating a System Restore Point first before installing a new software, and being careful about any third-party offers while installing freeware is recommended.