Totally true about the rise time. I messed up a batch last month when I only let it sit for four hours instead of twelve. The loaf came out so dense you could've used it as a doorstop. Patience is everything with that method.
Honestly, my first no-knead loaf was a disaster until I stopped watching the clock. The room was just too cold that day, so I let it go for a full eighteen hours until it looked properly bubbly. Warmth matters way more than the exact hours on the recipe.