If this sounds like your week
Busy-loop keep-awake tools insult modern CPUs.
Low overhead is not a slogan—it is whether your utility silently burns watts doing nothing. genuine zero cpu usage screen keeper.
Where tooling usually breaks
Heat and fans tell the truth about overhead.
If keep-awake makes the machine feel busy, something is wrong.
Overhead contrast
Busy loop / fake input → watts + surprises Execution state API → ask OS honestly StayGreen → low-overhead keep awake posture