Many babies catnap at some stage in their lives. The baby won’t sleep for more than 45 minutes and wakes looking refreshed, only to crash soon afterwards. Catnapping is stressful because it can mean there’s a lot of up and down throughout the day. It seems like you just put her down and now she’s up again. Here’s what we can do to help your baby get past the baby catnapping stage and stay asleep for longer.