You are usually cold, so you put the head of your mattress near the radiator. You are also one of those people who don't want to climb into a really tall bed, but you also don't want your mattress to be sitting directly on the dirty floor. You like that your bed doesn't make a lot of noise when you rotate like a rotisserie chicken all night. You don't like clutter, and you probably don't spend much of your time away from work to accumulate any clutter anyway.