I had similar things happen to me, it was almost like I was so scared that I could not move, yell, or anything, I seemed paralyzed, I found that I had a severe case of sleep apnea, I would stop breathing and it caused a lot of tension. Are you sleeping well ? If you are waking up a lot or finding yourself very sleepy during the day, this could be what is going on. The Dr.. said I have central sleep apnea, and have probably had this most of my life, a simple sleep study found this, and now I use a bi-pap machine, I now sleep very well (although it took awhile to get used to), and have not had those paranoia experiences since. This was several years ago, and if not for other medical problems that came on later, I would say that I was cured.
Best of luck, and as always I will tell you to consult your Dr. with the issues.
Hello and hope you are doing well.
The symptoms you are experiencing could be due to an entity called sleep paralysis. When this happens in sleep the person has difficulty moving his hands or feet. This is the symptom of a sleep disorder called Narcolepsy. This sleep disorder is characterized by excessive daytime sleepiness, sleep paralysis, cataplexy where the person has episodes of loss of muscle function while awake, hypnagogic hallucinations and automatic behavior. You will need to consult your primary care physician, who may schedule you for a polysomnogram (sleep test) to rule out sleep disorders and initiate appropriate therapy.
Hope this helped and do keep us posted.