Common Sleep Paralysis Causes: The Common Sleep Paralysis for most people, happens, during R.E.M. state, when the body releases hormones that paralyze the body to keep it from acting out dreams, thereby reducing any chances of physical harm during sleep.
Hybrid material. Hybrid materials are composites consisting of two constituents at the nanometer or molecular level. Commonly one of these compounds is inorganic and the other one organic in nature. Thus, they differ from traditional composites where the constituents are at the macroscopic (micrometer to millimeter) level.
A hybrid mattress is a mattress that combines two or more of the major construction techniques for a mattress. The most common type of hybrid mattress is a true hybrid, which combines coils or springs with memory or other foams to produce a unique set of qualities. There is another type of hybrid mattress, called a foam hybrid. This mattress uses different types of foam, for example poly foam and latex foam, to produce a unique mix of qualities to hopefully produce an excellent mattress. Coil Qualities of Hybrid Mattresses