Hibernatemode = 3 by default on portables. The system must wake from the contents of memory the system will lose context on power loss. The system will not back memory up to persistent storage. Hibernatemode = 0 by default on desktops. Man pmset shows this for hibernatemode, which makes it look like 25 will be slower than the default setting of 3: (I'm not brave enough to try it, being that I can't see its status in the pmset -g output, even with pmset -g everything). Neither these results, or the output of man pmset, mention disablesleep anywhere, although I have read ( ) that sudo pmset disablesleep 1 does work, and doesn't need any other parameters, which makes sense since sleep and hibernation are irrelevant if sleep is disabled. On my MacBook Pro (Retina, 15-inch, Mid 2015) running macOS Mojave version 10.14.4 with Turn display off after: set to 1 hr, pmset -g returns: I have some concerns about this, especially the hibernatemode 25 undo command.
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