Depending on the time of year and the temperature in the room, your baby may be too hot or too cold, preventing her from falling into a deep sleep. (thetoddle.com)
When your child falls into a deep sleep and is truly resting, hormones in the body are working hard to stimulate your child's blood, organs, muscles, and bones. (momenvyblog.com)
By relaxing them before bedtime, they can fall into a deeper sleep sooner. (childdevelopmentinfo.com)