Symptoms of Mononucleosis: Introduction. Symptoms of mononucleosis can vary among individuals but generally begin about four to six weeks after exposure to the disease. Early symptoms are flu-like and may include fever, severe fatigue, headache, sore throat, and swollen tonsils. As mononucleosis progresses, typical symptoms include painful swollen glands in the neck, armpits, or groin. Some people may also develop a rash. Mononucleosis can also affect the spleen and result in an enlarged spleen, possibly leading to the critical, life-threatening complication of ruptured spleen.
Sigmund Freud's psychoanalytic theory of dreaming emphasizes that  dreams play a role in consolidating the day's experiences in our  memories sub-conscious thought level. 1 person found this useful.
Suggested back in 1977, this theory states that dreams are caused by activity in the brain. Robert McClarley and J. Allan Hobson were the psychologists who proposed this theory and they believed that during REM sleep, brain circuits are activated and this causes the limbic system to become active.