4-year-old baby sleep tossing and turning, mostly considered physiological factors, external factors, pediatric indigestion, vitamin D or calcium deficiency and other causes, you need to go to the hospital for medical consultation to clarify the cause and then treatment. Common causes and related recommendations a. Physiological factors: daytime fright, baby feeling hungry, bedwetting, etc. may cause the baby sleep unsteadily, tossing and turning, parents can do a good job of care, generally no special treatment. Second, external factors: sleep environment temperature is too high, too low, the surrounding environment is noisy, too much activity during the day and other factors can affect the quality of sleep, resulting in 4-year-old baby sleep tossing and turning. It is recommended to improve the sleep environment, and appropriately reduce the amount of daytime activities. Third, dietary factors: 4-year-old baby eating too much or eating cold, indigestible food, affecting the gastrointestinal peristaltic function, resulting in food accumulation, but also accompanied by other discomfort, such as abdominal pain, bloating, constipation, etc., which affects the baby sleep. The lighter cases can be relieved by hot compresses and massage of the abdomen, and at the same time need to change bad eating habits; the heavier cases need to be given domperidone suspension according to medical advice. Fourth, disease factors: 1, vitamin D or calcium deficiency: vitamin D or calcium deficiency will increase the brain’s vegetative nerve excitability, resulting in 4-year-old baby sleep tossing and turning, night waking. It is recommended to go to the hospital to check the trace elements, follow medical advice to be calcium, vitamin D, and appropriate sun exposure; 2, head eczema: eczema on the head of the baby will cause itching discomfort on the scalp, it will be tossing and turning in sleep. It is recommended that parents take their babies to the doctor in a timely manner and follow the doctor’s instructions to use topical stove glycol lotion to stop the itching, or apply creams such as pimecrolimus cream for eczema. Note that 4-year-old babies should avoid strenuous exercise before going to bed, no more food 3 hours before bedtime, usually chew and swallow slowly when eating, do not eat greasy, indigestible food.