The common reasons for 5-year-old children to have difficulty falling asleep are too excited before going to bed and lack of vitamin D or calcium, etc., may also be indigestion or gastrointestinal disorders, etc., the specific need to clarify the reasons, and then targeted to deal with. 1. Too much excitement before bedtime: If the child listens to a stimulating story or watches a stimulating cartoon before bedtime and plays excitedly, the cerebral cortex is excited, which easily affects sleep and leads to difficulty in falling asleep. In this case, parents should avoid telling stimulating stories or letting children watch stimulating cartoons before they go to bed, and also avoid children playing too excitedly. 2. Vitamin D or calcium deficiency: If your child is deficient in vitamin D or calcium, it can lead to increased excitability of the cerebral cortex, which can lead to difficulty in falling asleep, and this situation needs to be supplemented with vitamin D and calcium as prescribed by the doctor, which can help to improve the situation. 3. Indigestion or gastrointestinal dysfunction: If the child has eaten too much food or eaten cold food, resulting in indigestion and gastrointestinal dysfunction, abdominal pain, bloating and other symptoms, which can also affect sleep. This situation needs to go to the regular hospital in time, follow the doctor’s advice to use the appropriate program, such as probiotics can be taken (such as Bacillus subtilis bacillus granules) to regulate. 5-year-old children have difficulty falling asleep, it is recommended to go to the regular hospital for examination, a clear diagnosis, follow the doctor’s instructions for adjustment.