The 4 month sleep regression is a time when a baby's sleep cycle changes. Babies are also learning more and becoming more aware of the world around them around this age. The result can be a disruption to sleep.The best thing to do is to continue your good sleep habits. Feed your twins if they are hungry, offer a pacifier, or use alternate methods to soothe your twins back to sleep. These can include the shush-pat method, white noise, and swaddling.Keep your good sleep habits of a darkened room, safe sleep space, and consistent routine. This will help you get through this challenging time.