Are your baby's sleep habits keeping you up at night? You're not alone. With four kids, I've encountered just about every possible pitfall, from one son who would only fall asleep in his car seat to another who refused to nap longer than 20 minutes at a stretch for months on end. Sleep can be a loaded issue, and you may wonder if you're somehow causing your baby to wake frequently or sleep fitfully. Relax. All moms run into tricky situations with their babies, and as with any other parenting decision, there's more than one "right" way to address them. Here, we've gathered five baffling sleep scenarios and asked other parents and sleep experts for possible solutions.