Many designers suffer from burnout after working long hours, but they still need to work, so a little sleep can be helpful. But the length of sleep is important, and too much sleep can be uncomfortable for example, more than 20 minutes. Secondly, when we wake up, the alarm clock will make our brain suddenly frightened, causing blood pressure to rise. Multiple alarms can also cause problems. Therefore, how to help users wake up comfortably is the main goal of the product.