Is there a taboo on the back wall and gables in the bed?

From three points, this paper explains the point of view of bed back mountain wall or along mountain wall. First, feng shui, the bedside needs to be against the wall, and put the bedside in a place where the wind gathers gas. Second, the psychological background wall gives people a kind of psychological support. Simply put, it's safer than sitting in a window. Third, the direction, that is, when the head is facing south or north, will affect the quality of sleep.