Where to Eat 24 Hours a Day, 7 Days a Week

Several years ago, I found myself in Philadelphia for the opening of a friend’s restaurant. It was a weeknight and naturally, I had work at 9 a.m. the next day. So, we ate dinner, slept for a few hours in a “rare find” Airbnb and drove back to Manhattan at 6 a.m. the following morning, arriving right in time for work. Oh — and somewhere in there, we stopped at Pat’s King of Steaks and Geno’s Steaks, both open 24…