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DESCRIPTION
SmartSleep is a preference pane that dynamically sets the sleep state of your machine. It's a successor to Hibernate.prefPane.
The Problem - Your MacBook or MacBook Pro knows the following sleep states:
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sleep: machine will go to sleep only (saves state in RAM only, battery keeps RAM contents)
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sleep & hibernate: machine sleeps and hibernates. (default)
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hibernate only: machine will go to hibernate only. (saves state on disk, battery will not be used)
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Just sleep means that the notebook will go to sleep fast, but you loose the ability to change the battery as the battery is needed to keep the contents of the memory (RAM).
- Just sleep and hibernate will wake the computer fast, but sleeping will take ages as the contents of the memory are saved to disk before entering the sleep.
The solution - SmartSleep lets your notebook just sleep while the battery has a high level. If the battery level drops below a certain point ( default is less then 20% or 20 minutes ) it will switch to sleep and hibernate. So you have the best of both worlds.
WHAT'S NEW
Version 2.6:
- Added workaround for Macs that have a sleepy powermanagement
REQUIREMENTS
Mac OS X 10.4 or later, MacBook.
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| SmartSleep User Reviews (12 posts) | Write A Review |
 | Mar 29 2008 |
TACITUS Including a readme file would be a good idea. What exactly does this install apart from the prefpane? The smartsleep function seems hit or miss. I think it works if I manually put it to sleep, but if it goes to sleep automatically when the battery is low it doesn't seem to hibernate despite being told to. All RAM data is then lost when the battery is changed. Looks a good idea and has potential, but it possibly needs a bit more work. MBk Pro 10.4.11 2Gb Ram
(Version 1.0 (1531)) | |
| [ 1 Reply - Reply ] | |
Replies:
 | May 12 2008 |
ALANR Agreed, it would be very nice to have a read me file. From the looks of the pref pane there are no options, no switches. Why is it a pref pane if theres nothing to set?
(Version 1.0 (1531)) | |
 | Feb 25 2008 |
LYCESTRA CAUTION: the extent of my testing (not much) shows that SmartSleep doesn't properly support encrypted disk swap. the pmset command that supports the hardware for this needs an extra bit to properly support hibernation with encrypted swap. My test: default, my 'hibernate mode' is 7. This is the combination of hibernate (1) + sleep (2) + encrypted (4). SmartSleep set it to 3 when told to sleep+hibernate, which would certainly fail to come out of hibernation properly if you have encryption enabled. That said, Smart Sleep is a great idea. Saving the memory to disk (hibernate) every time is a waste if you're just going to wake it up soon anyway, which doesn't use the disk. But, be forewarned that the intel-based machines don't have a small internal battery for swapping batteries so they lose power when you remove the battery. Not usually a problem, but if you don't have hibernation enabled, it will effectively reboot, having died in sleep. If it included this warning, and fixed the issue with encryption, I'd use it.
(Version 1.0b1) | |
| [ 1 Reply - Reply ] | |
Replies:
 | Feb 25 2008 |
JOLLY AKA PATRICK As I'm the author of hibernate I do know that. But it apple has changed that behaviour. Apple explicitly says that its no longer using the third bit there. I do use an encrypted swap and have had no problems. | |
| Oct 22 2009 |
SEANC What exactly constitutes a Mac with "sleepy powermanagement" and why do they require a workaround? Which models does this refer to?
(Version 2.6) | |
| [ Reply ] | |
| Oct 22 2009 |
SHK747 perfect for mac's with ssd's !
(Version 2.6) | |
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| Sep 27 2009 |
JOHN169 Has anyone had a problem with SmartSleep causing sleep-related lockups? I've got installed on my 13"MBP running 10.6.1, and when I set it to Smart Sleep, my Mac will, after a period of a day or so, fail to wake from sleep. When I hard restart it will boot to the blue screen but then go to sleep before getting to the login screen. I tried zapping the PRAM but that didn't help. The only way to get out of the sleep loop is to reset the PMU. It makes no difference if my Mac is plugged in or not. I looked at the developer's website but didn't see any place to seek support. Anyone?
(Version 2.4) | |
| [ Reply ] | |
| Aug 26 2009 |
DORKYPANTS Doesn't install on Tiger (PrefPane manager says it's unable to load the PrefPane). Requirements should be changed to OS X 10.5. Reverted to version 1.4
(Version 2.2) | |
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| Aug 26 2009 |
SGGINC The 2.2 installer changes the permissions on HD/Library/Pref Panes to no access for everyone. Changing it fixes things. 2.0 also did this. Thanks ... Ken
(Version 2.2) | |
| [ 4 Replies - Reply ] | |
Replies:
| Aug 26 2009 |
VINCELEERS I have just installed it, and here the PreferencePanes folder you're talking about has the following privileges: Since I assume that this is the normal setting, I can't confirm your observation. Maybe your system privileges were incorrect to begin with..
(Version 2.2) | |
| Aug 26 2009 |
SGGINC I had to change it after the 2.0 install hours ago also. Probably something weird with my os. Did you check HD/Library/Pref Panes or HD/Users.../Library/Pref Panes? Thanks ... Ken
(Version 2.2) | |
| Aug 26 2009 |
VINCELEERS I checked HD/Library... The one SmartSleep installs into.
(Version 2.2) | |
| Aug 26 2009 |
SGGINC Thanks ... must be my os.
(Version 2.2) | |
| Mar 18 2008 |
TVOPDX I like the idea of this. And it does put my MacBook Pro to sleep faster and nicer than the system itself. However, I find that my battery only operating time is cut in half. When I check my energy saver settings, it's always set to custom. When I force it to Better Energy Savings, it shifts to custom without any action on my part. As a consequence, the three plus hours I used to get with careful energy management has dropped to a measly 60-90 minutes. SmartSleep has a ways to go before it will work for me.
(Version 1.0 (1531)) | |
| [ Reply ] | |
| Mar 15 2008 |
JOLLY AKA PATRICK Hmmm sounds weird. Send me a mail and I try to solve the problem. Can you set the hibernate level in the shell ? (pmset) Regards Patrick aka Jolly
(Version 1.0 (1531)) | |
| [ Reply ] | |
| Mar 7 2008 |
BOBJAZZ I can't get this to work in "Smart Sleep" mode. It won't change the setting from sleep only to sleep & hibernate (or vice versa). It says it's updating, but just comes back with the setting the same as it was last set. Even if I manually change the sleep & hibernate level, it updates and then comes back with the setting the same as it was before. I've tried fixing permissions, that didn't work. I've also tried 3 different versions now, the last beta, build 1529 and the latest, build 1531. They all behave the same. I'm running 10.4.10 on a 1.83Ghz Core Duo MacBook (2006) with 2GB of Ram. Anybody know what's going on?
(Version 1.0 (1531)) | |
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