Newborns’ short sleeping time and waking up all the time are considered to be related to environmental factors, calcium deficiency and vitamin D deficiency, and gastrointestinal dysfunction. 1. Environmental factors: For newborns, if they are exposed to bright light and noisy environment for a long time, it will cause the symptoms of short sleeping time and waking up all the time due to the adverse influence of the environment. 2. Calcium deficiency and vitamin D deficiency: Newborn babies’ shorter sleeping time and waking up all the time may also be due to calcium deficiency and vitamin D deficiency in the body, which will cause sympathetic nerve excitation and the above symptoms. 3. Gastrointestinal dysfunction: newborns are still relatively small, if there is a gastrointestinal dysfunction, it will cause sleepy performance, accompanied by abdominal pain, crying and other related symptoms. Newborns sleep short, always wake up, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to determine the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.