Furnished our room, make sure that there was enough light and air. It is desirable that the windows were bigger and came out into the yard, or square – then you will be able to ventilate the child, without fear that the baby will inhale urban emissions. If you do not really like the ecology of the place where you zhivege or child shares with you a room, use air purifiers selecting a model, prefer devices that purify the air, no ionizing it). If the windows in the room the kid out on the sunny side, and you fear that the crumbs will be stifled, at least in an apartment you can install air conditioning. But not in the child (otherwise the child will have dealing with drafts), and in the next room. Try and keep the humidity of air – this will help you a humidifier, which is also still struggling with the fine dust particles. And another important parameter – temperature: the ideal considered the interval 18-22 C. If you feel that a child has a cool, warm air would best allow the convection heater.
But the devices with an open spiral, "following" or "chimney" model in the room baby use is not necessary – first, they burn oxygen, and secondly, not safe. It is desirable that the interior of child was not too bright or, conversely, dark tones. Lighting should be soft and subdued: in addition to lamps, pick up a small night light, which does not interfere with sleeping baby.