Hotels are, literally, our homes away from home. We spend time in them when we’re on vacation and having a good time, but also when we’re on business trips and trying like crazy to get a PowerPoint presentation together before a big meeting. So, hotels have to do a lot for us—just like our homes do. There’s lot of research on hotel design—and no wonder, big corporations make lots of money renting us rooms-by-the-night. Combing through that research and seeing…