My 3 year old generally tends to sleep late in the night and ends up sleeping only for 8 hours. Is that sufficient and how do to correct this ?

Easy Ways To Make A Toddler Sleep

5 must-hear lullabies for your baby to ‘sleep like a baby’!

8 hours are not sufficient for toddlers. Please Check these articles.

Bath? Or Cutting Down Naps? Whatever Works to Get my Baby to Have a Sound Sleep, Please!

Not at all, don't tire him too much. Have a schedule.