Most of the noises are from a blocked nose saline nasal drops bit of steam would help,if required may need bulb suction bto remove mucus if present.sneezing is normal.sometimes as airway tubes may be weak in some children we get croaking sound called stridor and indrawing suprasternal which we call malacia and sound better when placed on lateral position prone malacia stidor gets better only by around 6month calcium supplement may be of questionable value