If there is simply only sleepiness, clinically it is called narcolepsy. Narcolepsy is characterized by easy fatigue during the day and can go to sleep without any signs, affecting work and life, mainly caused by cerebrovascular or cerebral neuropathy, and the more common diseases are episodic sleepiness, Parkinson’s disease, Alzheimer’s disease, traumatic brain injury. In addition, heart failure, advanced malignant tumors, chronic obstructive pulmonary disease, severe low potassium and sodium, etc. If the sleepiness is caused by these factors, it is not difficult to diagnose. If sleepiness combined with excessive dreaming is caused by plant nerve dysfunction, which is usually referred to as neurasthenia symptoms, there is no obvious abnormality in doing examination, and it is mainly treated by oral medication to regulate nerves and nourish the mind and calm the spirit.