It's Not Just You..Yeah, I've had sleep paralysis a couple of times the first time I remember was when I was about 10-12 years old and I remember not being able to move and I also remember trying to scream out my brothers name (he's bedroom is right next to mine) but as I was trying to scream his name out nothing came out it felt as if I was mute I couldn't speak, when the sleep paralysis finished I didn't know what it was so I just ignored it I thought it was just a dream.
After that I never had sleep paralysis until recently I'm 14 now turning 15 soon and last year I had a sleep paralysis almost every night once I remember seeing a shadow of a little girl then I reasearched it and found out it was called sleep paralysis. I still have it from time to time still but I always know when I have it now so when I have it I think in my head "nooo not sleep paralysis!!" But yeah I just go with the flow and it eventually stops.. Usually it happens when I wake up at night or really early in the morning and try to go back to sleep. I'm used to it now but at the start I must admit it was frightening but my tip would be always keep your eyes shut and try to move your fingers or your toes. Thanks good luck :)