There are several causes of dizziness at night in children: first, neurological diseases, such as central nervous system infections and cranial arteriovenous malformations. Second, dizziness can also occur if the child has a cold or other illness. The third aspect, hypertensive diseases, dizziness can also occur due to sudden changes in position during sleep, obstruction of blood return and poor blood supply to the brain. Fourthly, if a child has anemia, dizziness can also occur because the child’s ability to carry oxygen is reduced due to a decrease in red blood cells in the blood circulation. In conclusion, there are many reasons why children may become dizzy while sleeping, and it is important to analyze them in relation to their specific symptoms and signs.