Eww, this is the dirtiest spot in your bedroom

If you've woken up with a stuffy nose, the culprit could be... Your mattress! Dust mites, bacteria, and skin cells collect while you sleep. Find out how to combat the grime in the video above.

SEE ALSO: How to keep towels smelling fresh

SEE ALSO: The germiest spot in a restaurant could be sitting on your table

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