Bedroom

pillow
memory pillow with appropriate support

clean environment
get rid of coach roaches

Dust
House-Sharing With Microbes http://www.sciencedaily.com/releases/2010/09/100908191130.htm

We're Surrounded! House Dust Is A Rich Source Of Bacteria

http://www.sciencedaily.com/releases/2008/04/080407190600.htm