I've slept on the ground in the forest / mountains multiple times - often without shelter and often out of choice :) So there's one data point for you. I don't

I've slept on the ground in the forest / mountains multiple times - often without shelter and often out of choice :) So there's one data point for you. I don't post that much on HN though.. That said, I do like the look of this and will probably try and get hold of one.