Daytime sleep palpitations, heart fluttering may be seen in normal people, may also be neurosis, heart disease, hyperthyroidism, etc., the patient should consult a doctor in time to clarify the cause. 1. Physiological conditions: if in the daytime sleep palpitations heart fluttering before drinking strong tea and coffee or was frightened, it should be considered to be caused by, generally no special treatment. 2. Neurosis: patients will have anxiety, depression, fear, palpitations when sleeping and other symptoms, such people should ensure regular work and rest and adequate sleep, if necessary, can follow the doctor’s instructions to use diazepam and other drugs for treatment. 3. Heart disease: If palpitations occur in middle-aged and elderly people during the daytime, coronary heart disease, hypertension and other diseases should be considered. Such people also have symptoms such as chest pressure and headache, which can be treated according to the cause. 4. Hyperthyroidism: If the patient has palpitations while sleeping during the day and accompanied by protruding eyes, irritability, weight loss and other symptoms, it should be considered to be caused by hyperthyroidism, and can be treated with propylthiouracil as prescribed by the doctor. If palpitations still occur after physiological factors are ruled out, the patient should go to the hospital and be treated according to the doctor’s prescription, and the above medications and treatments should be used under the doctor’s guidance.