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.
[edit on Wikidata] Night terror, also known as sleep terror, is a sleep disorder, causing feelings of terror or dread, and typically occurs during the first hours of stage 3-4 non-rapid eye movement (NREM) sleep. Night terrors tend to happen during periods of arousal from delta sleep, also known as slow-wave sleep. During the first half of a sleep cycle, delta sleep occurs most often, which indicates that people with more delta sleep activity are more prone to night terrors. However, they can also occur during daytime naps.