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 is a type of club used in the sport of golf with a design borrowing from both irons and woods while differing from both.he name  hybrid  comes from genetics to denote a mixture of two different species with desirable characteristics of both, and the term here has been generalized, combining the familiar swing mechanics of an iron with the more forgiving nature and better distance of a wood.