For those that don’t know here are the different states of the MacBook Pro: The few extra seconds it takes to wake up is worth the saved battery life in my eyes. I love the Hibernate feature in Windows, and have all of my laptops set to hibernate when the lid is closed. I don’t like to waste battery life, especially when traveling. There's also a preference pane app called SmartSleep ( ): you have to pay for the current version, but you can find older versions around the Internet.Īlso I've used this tutorial, I copied pasted the contents, and have some notes in the bottom:
Smartsleep mac mac os x#
Lots more discussion here Does Mac OS X support hibernation? That being said, I hibernate my MacBook before I go away and haven't run into any problems.' If your hardware doesn't support the standby feature, then hibernation is an (as mentioned in older posts) "emergency" state, so it's probably best to leave this setting as is. If you don't see standby, your hardware doesn't support this feature. You can also run pmset -g to see whether standby is set and how long standbydelay is. However, standby isn't exactly the same as hibernate, for more details see
On these machines it only takes a few extra seconds to come out of hibernate compared to coming out of sleep. If your machine supports standby mode, then there isn't much point in changing the hibernate mode, because by default it is in standby after 1.15hrs. Is it a good idea to hibernate your MacBook?
If you want to sleep/hibernate your machine from the command line do pmset sleepnow To revert it back to the default for MacBooks do (which powers the ram and writes image to disk) sudo pmset -a hibernatemode 3 Switching the hibernation mode to 25 will make make a MacBook hibernate instead of sleep (see discussion below as to whether it's a good idea).
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