When teaching a child how to learn time, it's imperative that they develop an internal clock. This is the only way they will learn how to self-regulate. If parents are reminding children or using orders, children will not self-regulate.
Time is a sneaky thief, hell-bent on racing toward our mortality. The only way that we can outsmart it is by savoring every precious moment by being fully conscious, focused and conscientious every second.
If you're a parent, don't panic - now is the time to instill good sleep habits in your family. A healthy sleep life makes for a healthy life in general, regardless of the risk for any single illness or condition.