How To Sleep In A Cave And Love It Micki Kosman October 1, 2013 Europe, Travel Blogs 10 "We're going to sleep in a cave, Mom? Like Batman?" The kiddos were a bit incredulous about our next adventure. And to tell the truth, I wasn't entirely sure that booking a few nights in a cave would be a great idea. Would it be damp? Or dark? Or, as Cole asked, would there be Batman?