It can also be 10 until 6: 00 a.m. ...
10 to 12 is the stage of body adjustment, which is helpful to health and immunity. 12 to 2 o'clock in the middle of the night, which belongs to the deep sleep stage and is the best time for physical recovery. At the same time, 12 to 4 a.m. is also an obvious period of increase.
So, it depends on your personal arrangement and your young life now. Don't sleep more than 10 at night, just get up around 6 am!