Right now, I spend 9 months of the year in a college dorm on a prison mattress, and this mattress has changed the way I sleep. Every night when I lie down on my bed, I instantly feel like my joints are all assuming a rejuvinating position. I would frequently awake on my older (but decent quality) mattress feeling like some of my joints (including vertebral) hadn't quite been in an ideal position for most of the night. Not the case on this one. Every morning, when I first hit...