the.com/lucidity
The mind's window when it's actually clean enough to see through.
means The state of thinking and expressing things with sharp, untroubled clarity.
from From Latin lucidus, shining, rooted in lux, light — clear thought as literal illumination.
Medical senseA clear interval between bouts of confusion or delirium.
Terminal luciditySudden clarity some dying patients show before death.
Dream cousinLucid dreaming means knowing you are dreaming.