Putting your PC to sleep is a great way to save energy while still making sure you can resume work quickly. But what can you do if your PC keeps waking up on its own? Here's how to figure out what's ...

Your Mac's sleep and Energy Saver functions are invaluable, especially if you're using a laptop and most especially if you're running on battery power. But whether you're using a desktop or a laptop, ...

I certainly can’t stay up all night, but my Mac can. Image: D. Griffin Jones/Cult of Mac You can stop your Mac from sleeping if you want it to stay on indefinitely. This might prove handy if you find ...