I hope not, three-month-olds are supposed to sleep 14-17 hours a day. Also, what happened when they dropped naps? Night sleep typically worsens right beforehand, as the residual nap pushes their lengthening wake window into night sleep. How did you manage their congestion when they were sick? Many kids, especially those using a pacifier, lose the ability to link their short, 45-minute sleep cycles and need to be comforted throughout the night even into toddlerhood.