Always love to sleep but always sleep not enough, generally is the performance of reduced cortical excitability, the specific reasons are as follows: 1, low sleep quality or suffering from disease: patients with early awakening at night, dreamy situation, or the existence of sleep apnea syndrome, episodic sleeping sickness and other diseases, these reasons are prone to the phenomenon of old love to sleep. 2, advanced age and low immunity: If patients of advanced age, the existence of Immunity is low, but also easy to cause poor spirit and other phenomena, so that there is always want to sleep performance. Therefore, patients need to promptly clarify the cause through relevant examinations, and then take targeted treatment. The means of examination mainly include blood routine, liver and kidney function, electrocardiogram, cardiac ultrasound, tumor markers, polysomnography, etc. Through these examinations, the causes of low sleep quality can be basically clarified.