Douglas Teti

The intervention should begin before kindergarten begins in September, parents should do what they can to help their children get most if not all of their sleep on a regular basis during the children's nighttime sleep period.

This suggests that' making up' for inadequate nighttime sleep by allowing one's child to nap during the day will not help children in their kindergarten transition. It is best to have that 10 + hours of sleep concentrated during the nighttime sleep period, and to try to make this as consistent as possible across nights.