Have a very dark hallway between the two bedrooms with very large windows (guest faces east and master faces west). (theinspiredroom.net)
These provide an additional repelling effect as well as being handy in dark hallways and other areas! (geekwrapped.com)
It's immediatley apparent that this is Silent Hill - the town is filled with fog, you're required to explore dark hallways with a flashlight - but the sequel certainly does have a new style to it. (igotaletter.com)