So, you stayed at the five-star hotel, came home, and bought all new bedding... but something still doesn't feel quite right. The truth is, luxury hotel beds follow a surprising number of unwritten rules that most of us never think about. Everything from mattress height and duvet size to pillow placement, fabric choice, and even what sits beneath your pillowcase can affect not only how your bed looks, but how well you sleep—and, in some cases, your overall comfort and skin health. In this guide, we'll break down the simple details luxury hotels get right, so you can recreate that same experience in your own bedroom without wasting money on the wrong products.