调节糖代谢、降低血糖是胰岛素的主要作用。用于维持血中葡萄糖(血糖)水平恒定所需的胰岛素,其量通常在上午2—7时会升高。如果这种升高还不能对付血糖量的增加,就会导致明显的高血糖症。这种现象发生在黎明时候,故被称为“黎明现象”。是什么原因引起的“黎明现象”呢?约翰·格里克等最近在《新 Regulation of glucose metabolism, lower blood sugar is the main role of insulin. The amount of insulin required to maintain a constant level of glucose (blood glucose) in the blood is usually raised at 2-7 am. If this increase can not deal with the increase in blood glucose, it will lead to significant hyperglycemia. This phenomenon occurs at dawn, it is called “dawn phenomenon.” What caused the “dawn phenomenon”? John Grick and others recently in the "new