One of the basic human needs of man everywhere and in every time is sleep. The 21st Century bedroom has gradually evolved into a haven for rest and relaxation.
The Caveman improvised with piles of leaves and straw or the more fortunate threw down fur hides in a spot sheltered from the elements, most probably near a fire. There is considerable evidence that early civilizations had ornate beds of choice woods, precious metal and even ivory.
A bedroom is no longer a place to just sleep or dress. It is a place where one enjoys reading or lazy contemplation, a place to unwind and relax during waking hours. For children, it harbors games, books and other treasures. The number of people in the family usually determines the number of bedrooms in the house or apartment they buy or rent. Other variables are the number of adults and children, what their particular requirements in a bedroom are and the inevitable budget.
Location of bedrooms shares equal importance with size in good planning. Bedrooms should be reached directly from a hall, be removed from the living-social zone and working-service zone, should be directly accessible to the bathroom without observation in ordinary circumstances. Should finances allow, more sophisticated considerations can be made.
Source: Houses: Henry S. Harrison