Your mattress is your haven, your respite after a long day, the cocoon in which you can doze for hours on a Saturday morning. But did you know that it's also a hot spot for dust mites, a sponge for human sweat, and a vessel for dead skin? We know this doesn't sound pretty, but according to Consumer Affairs, underneath your gorgeous bedding lies a far-less-than-sanitary surface. We've broken down the shocking numbers for you. Scroll through and prepare to cringe.