Bedtime can be the most challenging time of the day for a couple of reasons. First, kids don't get tired, they get wired, which means they are more likely to be wild, aggressive, teary, cranky or just plain silly when it’s time to settle down and go to sleep.

If your child’s sleep is disrupted by nightmares and fear, it can affect her mood, behavior, health, memory and growth. Here’s what you can do to solve these common childhood sleep disrupters:

Most children switch from two naps to one between ages 12 and 24 months. Here’s how to tell if your child is ready to drop his morning nap: