How to deal with children who don't sleep at night

Patient's question:

Female
Patient Age: Three years old
Detailed Condition and Purpose of Consultation: The child always loves to play and doesn't want to go to sleep until 11 or 12 at night. They always insist on playing with adults and become even more agitated before bed. If adults don't want to play with them, they come up with all sorts of tricks. It's neither crying nor laughing—they are very clever, but lack good habits, making the adults exhausted. Is there a psychological problem?
Current General Condition: Sleeping by 12 at night is considered good. They have tried to prevent her from taking afternoon naps. Around 5 or 6 in the afternoon, she shows some sleepiness, but they haven't let her sleep. To

Doctor's answer:

Children should not be too excited before going to sleep. You can let them watch cartoons, listen to stories, or songs, or play some quiet games with them to help them calm down. Also, avoid letting children sleep during the day. Naps should be around 30 minutes long. Taking children out to bask in the sun more often helps with calcium absorption. Children's health issues have always troubled parents. When treating this condition, consider general treatment. Only by using professional methods can parents help children recover from the disease as soon as possible, ensuring it does not affect their growth and development. Therefore, parents are advised to pay close attention to their children's condition and take them to see a doctor for timely treatment.