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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:

  • sleep: machine will go to sleep only (saves state in RAM only, battery keeps RAM contents)
  • sleep and hibernate: machine sleeps and hibernates. (default)
  • hibernate only: machine will go to hibernate only. (saves state on disk, battery will not be used)
  • 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

What's New

Version 3.22:
  • Added default overrides for pmset. SmartSleep uses pmset to set the values for sleep, hibernate, sleep and hibernate and system default. You can now override the values that SmartSleep uses:
    • pmsetvalueforsleep
    • pmsetvalueforsleepandhibernate
    • pmsetvalueforhibernate
    • pmsetvalueforsystemdefault
  • Added Retina menu-bar icons - thanx to


  • OS X 10.6.8 or later

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SmartSleep User Discussion

3.4 11


Current Version (3.x)


Downloads 17,330
Version Downloads 3,495
License Demo
Date 09 Sep 2013
Platform Intel 64 / OS X
Price $3.99
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