Rates and Characteristics of Sleep Paralysis in the General Population of Denmark and Egypt

“…SP is classified as a parasomnia and characterized by unusual behavior or abnormal physiological events that occur during the transition between sleep and wakefulness. SP episodes are generally accompanied by intense anxiety, inability to perform voluntary movements (even to scream or cry out for help), and, in some cases, fear of impending death (Sharpless et al, 2010;Jalal and Hinton, 2013). SP occurs most commonly in women (Pires et al, 2007;Sharpless and Barber, 2011) and when the body is in supine position (Chilcott et al, 1998;Sharpless etal., 2010).…”