Works well once running and enabled. However it has issues when waking up from sleep when connected to a dock. I must enable Insomniac, then connect to the dock, then close the lid for the Mac to not sleep with the lid closed. If I connect the dock with the lid closed, then wake up the Mac, Insomniac won't be enabled and the Mac will automatically go back to sleep.

If you set disable sleeping forever, it keeps it forever, unless you turn off or restart your computer. Then you have to set the setting again. I have found no button or setting that can keep it switched on permanently. This is frustrating as you have to remember to turn it on every single time you turn your computer on again for the day.

The program works perfectly. I used to use "SleepLess" on my G4 PowerBook and this is similar. No idea why it's not a default option in Mac OS like it's always been with Windows.The logo is ugly, though. This is coming from someone whose surname begins with Z. I won't take away a star but I'd love to see an improvement.

I use my laptop when I want to use a refence for painting - this makes it easy!