Level 1: Reasons for babies tossing and turning in sleep It is a very common phenomenon for babies to toss and turn in sleep, and there may be many reasons for it. First of all, the baby may be tossing and turning because of discomfort, stomach discomfort, dry mouth, allergies, etc. Secondly, if the baby\’s sleeping environment is not suitable for them, the room is too cold or too hot, the bed is uncomfortable, etc., it will also cause them to toss and turn. There are other reasons, such as immature neurological development in infancy. Level 2: How to help your baby improve sleep quality If you