My son is 21 months old and goes to bed at latest 9pm and wakes up at 7:30 am. He is a great sleepr. We just put himn in his crip with his bottle of milk and he is good to go to sleep, no fuss. He naps now once a day from 12:30-2:30..same thing milk in his ccrib and he is off to bed.
Routines are great..... :) When he gets tired sometimes before his bed time or nap time he would ask for his bottle or say night night and I know he needsd to go before his actual routine. This does not happen a lot.