I have not "booted up" in over 6 months now; I updated my kernel 6 months ago.
The time from opening the lid to being able to use it is under 5 seconds.
There should be no reason why the same can't be done for desktops.
Gosh that takes me back... or is it forward? That's the trouble with time travel, you never can tell." -- Doctor Who, "Androids of Tara"