Always doze off and have no spirit, can be analyzed from physiological and pathological factors, as follows: 1, physiological factors: no good rest or too short sleep, such as staying up late at night people do not have good rest at night, the next day will have no spirit, the symptoms will gradually disappear after the patient has sufficient rest; 2, pathological factors: such as snoring patients at night because of brain hypoxia leading to abnormal brain function, the next morning will have no spirit. Patients lack hormones, such as thyroxine, which manifests as slowed down metabolism, and will always want to sleep during the day, and may also have poorer spirit if they lack glucocorticoids, etc. Patients who are always in poor spirits during the day, which affects work or life or study, are advised to seek further consultation at the hospital to clarify the specific cause.