The rules of maternity hospitals are strict and conservative
And now the rules of maternity hospitals are strict and conservative. At first glance it may seem unnecessary or even meaningless. In fact, therein lies the desire to give the child an opportunity to recover at least part of spent the resources and to quickly adapt to new challenging conditions of existence.
The nature here is not indifferent, and "reward" crumb not so sharp eyesight and hearing, as a healthy adult. But despite this, the duty of every young mother is conscious and maintenance around the baby quiet and friendly environment.
Try to avoid additional sensory stimuli in the form of bright light, loud, sharp sounds, as well as enthusiastic and impressionable company of relatives and friends at least the first couple of days after birth. All this to catch up! Ideally, the child requires about a month "to come to his senses." So the sign that do not show anyone until the crumbs months of age, has a scientific explanation.