DD2 (turning 2 in a few weeks) naps 3-4 hours everyday and 11-12 hrs at night.
DD1 (4.5yrs) still sleeps 1-1.5 hours on the 4 days she doesn't go to 4yo Kindy. During the school holidays she naps 1-1.5hrs every day. She sleeps 10-11 hrs at night.
My kids love their sleep!