Baby’s restless sleep and waking up all the time is considered to be caused by change of sleep environment, hunger, vitamin D deficiency and so on. Can be adjusted through the sleep environment, breastfeeding, vitamin D supplementation and other ways to alleviate. 1. Sleep environment change: when the sleep environment is too hot or too cold, change sleeping bag, change the fixed caregiver will make the baby do not adapt, easy to sleep at night. It can be relieved by adjusting the sleeping environment and not changing the caregiver arbitrarily. 2. Hunger: Hunger and restless sleep is common in babies less than three months old, and it is easy to have restless sleep if you don’t have enough to eat before bedtime. It can be solved by feeding milk or milk powder at night. 3. lack of vitamin D: baby growth needs rich nutrients, when vitamin D intake is insufficient, it will lead to sympathetic nerve excitation, thus the baby sleeps uneasily at night accompanied by the situation of restlessness. Can be resolved by following the doctor’s prescription of vitamin D supplementation. 4. Disease: some babies due to acute appendicitis, intussusception and other diseases, can also lead to the baby sleep crying, unsettled, and is not easy to appease, should consult a doctor in a timely manner, improve the relevant examination and diagnosis and follow the doctor’s instructions for treatment.