Primary objective of this article is to define and discuss on Sleep Paralysis. Sleep Paralysis effects everyone at some time or another in their life, although it is completely harmless it is a confusing and some times frightening experience if you don’t understand what is transpiring. The phrase sleep paralysis describes being struggle to move just before coming into or leaving sleep, additionally it is accompanied by a feeling of strain, like something is pressing in your chest, or a choking feeling. It’s a harmless occurrence but they can be very stressful unless you understand what is going on or why, it is also disturbing when it occurs after particularly frightening dreams.