Specify the system hibernate timeout (plugged in)

This policy setting allows you to specify the period of inactivity before Windows transitions the system to hibernate.If you enable this policy setting you must provide a value in seconds indicating how much idle time should elapse before Windows transitions to hibernate.If you disable or do not configure this policy setting users control this setting.If the user has configured a slide show to run on the lock screen when the machine is locked this can prevent the sleep transition from occuring. The "Prevent enabling lock screen slide show" policy setting can be used to disable the slide show feature.

Policy path: 

System\Power Management\Sleep Settings



Supported on: 

At least Windows Vista

Registry settings: 




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