It's the time of day that every mom dreads — those dusky hours between about 4 and 8 p.m. when our kids seem to consistently be at their most rambunctious. Nap time's come and gone, and bedtime seems like it's eons away. They plowed through their lineup of favorite playthings earlier in the day, and you're reaching the end of your rope. So what's a tired and stressed mom to do? Follow these tips for getting through the toughest time of day — tots and parents both intact.