| Mattresses are a key component of bedding. | | | | structures were constructed of leaves and grass, |
| Because most humans spend over a third of their | | | | held together with animal skin. Around 3,500 B.C., |
| lives sleeping, finding a quality mattress is important | | | | Persians invented the first "waterbeds," made of |
| for a high quality of life. Normally comprised of foam | | | | goatskins filled with water. The more affluent |
| and fibers, with metal springs on a wooden frame, | | | | inhabitants of the Roman Empire, circa 200 B.C., slept |
| mattresses help ensure a restful sleep. | | | | on mattresses filled with feathers. Steel coils, which |
| Serta, Sealy, and Simmons are the three largest, | | | | now support the vast majority of mattresses, were |
| most popular mattress brands in the USA. | | | | not patented for this purpose until 1865. |
| Standard USA mattress sizes are Twin/Single (39" X | | | | Mattresses have enjoyed many advances in the past |
| 75"), Double/Full (54" X 75"), Queen (60" X 80"), King | | | | few decades, including the advent of air mattresses, |
| (78" X 80"). Other USA mattress sizes include | | | | foam mattresses, and "memory foam" mattresses. |
| Olympic Queen (66" X 80"), California Queen (60" X | | | | Increasingly, mattresses are being constructed from |
| 84"), and California King (72" X 80"). | | | | modern materials such as latex foam and |
| Mattresses typically require replacement after seven | | | | polyurethane foam. In addition, those consumers |
| to fifteen years of use, or sooner, if the coils or | | | | seeking affordability and convenience have chosen |
| frame have experienced noticeable wear and tear. | | | | futons and futon mattresses to ensure their good |
| A Brief History of the Mattress | | | | night's sleep. And there has long been a core of |
| In the Neolithic period (8,000-6,000 B.C.), people | | | | waterbed enthusiasts who remain committed to |
| migrated from sleeping on the ground to simple | | | | waterbed mattresses. |
| man-made beds and mattresses. These first resting | | | | |