Mattresses are a key component of bedding. Because most humans spend over a third of their lives sleeping, finding a quality mattress is important for a high quality of life. Normally comprised of foam and fibers, with metal springs on a wooden frame, mattresses help ensure a restful sleep.
Serta, Sealy, and Simmons are the three largest, most popular mattress brands in the USA.
Standard USA mattress sizes are Twin/Single (39 X 75), Double/Full (54 X 75), Queen (60 X 80), King (78 X 80). Other USA mattress sizes include Olympic Queen (66 X 80), California Queen (60 X 84), and California King (72 X 80).
Mattresses typically require replacement after seven to fifteen years of use, or sooner, if the coils or frame have experienced noticeable wear and tear.
A Brief History of the Mattress
In the Neolithic period (8,000-6,000 B.C.), people migrated from sleeping on the ground to simple man-made beds and mattresses. These first resting structures were constructed of leaves and grass, held together with animal skin. Around 3,500 B.C., Persians invented the first waterbeds, made of goatskins filled with water. The more affluent...