It's sad and disgusting to find out that some of the most disgusting germs and viruses on Earth are actually living inside your mattress. It's probably crawling with some unnoticeable vermin right now.

The invisible assailants are the most aggressive and have grown stronger over the past several decades. Besides dust mites and allergens, there are some germs and viruses just hanging out in your mattress.

Staphylococcus aureus are penicillin-resistant bacteria most commonly found in the beds of people who work out or play sports.

Campylobacter, most common during the winter months, live in bacteria-friendly damp spots like rain and snow shoes.

Norovirus — also known as the Norwalk virus — causes symptoms similar to food poisoning or a stomach flu.

Time to get a new bed?