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Fix possible hibernation activation in desktop Macs
Authored by: arcticmac on Jun 04, '12 08:09:06AM

I actually like to make a similar modification on my portable machines as well. Specifically, I like to disable hibernate mode for the "AC Power" settings but leave it enabled for the battery settings. Something like
sudo pmset -c hibernatemode 0
sudo pmset -b hibernatemode 3

Where the second command is presumably optional since it would have already been in forced

Basically what this allows me to do is to have the benefits of "safe" sleep while I'm on the go (in case my battery runs low and I can't get to power), but have faster sleep times while my computer is plugged in. I guess many probably don't care about sleep times, but I often like to make sure it actually goes to sleep - for a long time my macbook had issues with that - and so I tend to watch it until it actually has. Of course, you have to be careful that you don't accidentally sleep it on the AC adapter and then let it stay asleep until the battery dies, but that's a pretty long time on a full battery, and if I'm already at a partial battery, I usually just unplug the charger before I put it to sleep so that it will hibernate

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