Young parents are often concerned about some features in the behavior of the child, which they personally seem incomprehensible. For example, a child's categorical refusal to let his mother go even for a minute out of sight or a violent protest when someone other than his parents tries to touch him. The main reason for this behavior is fear - the fear of separation from loved ones, and there is nothing strange in this.
It’s no wonder that sleep forms an integral part of daily routine of one’s life. During early development, sleeping is usually considered as the primary activity of the brain.