History of Memory foam.
A visco memory foam mattress gets it’s name from the visco-elastic material developed for NASA in the early 1970’s in conjunction with the space program.
The astronauts in the space program were facing incredible g-forces, at take-off and re-entry, and the materials that were available, at that time, weren’t sufficient to cushion their bodies. Of course, they weren’t looking for a memory foam mattress, they needed seating that was more like a big, overstuffed recliner.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