Research the causes of these symptoms that are similar to, or related to, the symptom Enlarged liver: 1  Enlarged spleen (1232 causes) 2  Hepatomegaly (1314 causes)  Hepatitis (42 causes)
Night terrors strike children, usually between the ages of 3 years and 8 years. They rarely occur in older children, adolescents and adults. In both adults and children, night terrors may be caused by unsettled psychological conflicts, upsetting events or tiredness.
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.