It is good you are setting a routine More daylight time Post 7 Dim light Good meal 10 to 12 hrs is sufficient Plan morning activities before hand

Continue that. Avoid the daytime nap

1.Encourage Daytime Activity: Promote physical activity during the day to time .Avoid evening sleep, instead make it play time. 2.Consistent Bedtime Routine: Establish a calming bedtime routine that includes activities like brushing teeth, reading a story, and quiet play to signal that it's time to wind down. 3.Limit screen time:at least2 hrs before bed time. 4.Modeling Healthy Sleep Habits: Children often learn by example, so parents can model good sleep hygiene themselves. Demonstrating consistent bedtime routines and prioritizing sufficient sleep for adults sets a positive example for children to follow. 5.Helathy  earing habits. 6.Consistency is key when it comes to sleep hygiene for young children.

Practice him to sleep at 8pm daily.afternoon can take small nap . Sleeping at 5pm not to be encouraged.14 hrs of sleep not needed.10 hrs sleep is enough.

It is okay to sleep But how about afternoon nap from 1 to 3pm That would reduce some amount of night time sleep

Consult with Pediatrician physically for further evaluation and treatment