Murphy bed
A Murphy Bed is a type of bed added in The Sims 2 Apartment Life. It can be opened and closed into the wall, ostensibly saving space though in actuality it still uses up the tiles it would use if opened. If a sim with less than five body points and less than -70% mood opens the bed, there is a 5% chance that the bed will fall down on top of them and crush them to death. Their ghost avoids the bed.