1. Reasons why babies have trouble sleeping at night 1.1 Physiological development 1.2 Environmental factors 1.3 Family atmosphere 1.4 Eating habits Baby’s trouble sleeping at night may be caused by a variety of factors. First, your baby\’s physical development may affect their sleep quality. , when they are in their growth period, they need more sleep time to support their body\’s development. In addition, environmental factors can also