Thanks David. Other listeners have written questions regarding the legality of recording telephone conversations as well. The answer to this question, and the answer to so many legal questions, is it depends.. This area of the law is not completely settled, and changes as our technology and notions of privacy change.
Quick Answer. According to MedicinePlus, night terrors are a common cause of screaming in one's sleep. While most common in children, adults can also suffer from night terrors. Continue Reading.
Talking in your sleep is sometimes a symptom of another sleep disorder, such as sleep terrors, sleepwalking, REM sleep behavior disorder (RBD), or sleep related eating disorder (SRED). RBD and sleep terrors cause people to shout during their sleep.