How to deal with a 3-year-old child who always doesn'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 sleep until 11 or 12 at night. They constantly demand that adults play with them, especially becoming more agitated before bed. If adults don't want to play, they come up with many tricks. It's neither crying nor laughing—it's just that the child is very clever but lacks 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 napping during the day. 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 sing 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 outside to get some sunlight is helpful for calcium absorption.