Baby waking up more often at night, may be caused by environmental factors, may also be indigestion or vitamin D deficiency rickets and other diseases. 1. Environmental factors: if the lesion sleeps in the environment where the temperature is too high or too low, the baby covers the quilt is too thick or too thin, the indoor light is too bright or the environment is too noisy, will affect the baby’s sleep, resulting in the baby waking up more often at night. 2. indigestion: baby waking up more often at night may also be due to physical discomfort, commonly indigestion. Due to the baby’s young age, the gastrointestinal tract development is not yet perfect, if you do not pay attention to the diet, may cause indigestion, resulting in abdominal discomfort, affecting sleep. 3. Vitamin D deficiency rickets: it is caused by vitamin D deficiency, the etiology of which is related to insufficient sunlight, fast growth rate and insufficient intake, etc. The affected children will show increased neurological excitability, which leads to waking up more often at night. The baby wakes up more often at night, there may be other reasons, it is recommended to go to the hospital in time, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.