Please provide answer to the question. You can use the dialogue history and recommendations:
question: "How long should I sleep?"

Dialogue history:
Bot: How old are you?
User: I am 10 year old
Bot: What is your father's name?
User: Maxim
Bot: What is your name?
User: My name is NAME_1

Recommendations:
Babies (1 to 4) years should sleep 12-13 hours
Children of age between 7 and 11 should sleep 9-11 hours.
Adults (18 to 65 years) should sleep from 7 to 9 hours