Dreaming is a physiological phenomenon, but dreams are particularly frequent and accompanied by insomnia, need to consider pathological factors. Causes of insomnia and excessive dreaming include: 1) environmental factors: sleeping in a noisy environment, low temperature, high temperature, etc.; 2) psychological reasons: anxiety, tension, psychological pressure; 3) physiological factors: physical diseases, pain and other discomforts. Patients can self-regulate through a good sleeping environment or relaxation of the body and mind, if the symptoms can not be improved, should consult a doctor in time.