hii sir my son is 3 years old not eating and sleeping properly please suggest any syrup for eating food

A. hi parent keep her well hydrated by giving her a spoon of lukewarm water every hour when she's awake use simply purified water having tds higher than the 350 give seasonal fruits and soups give her probiotics mde at home never use maida and processed food take sunbathing daily with her head and ears covered in the morning but not