anyone has problem with toddler's sleep? my son 3 y.o. doesn't want to sleep. Make me awake until 3 am or 4 am almost every day!

Dont give chocolate before bed time and try to dim the lights when trying to sleep..no tv or any distractions..try reading a book..hope this helps..i also have this same problem before..now my toodler learn to sleep bet 8-9pm..