I brought home 3 baby chicks today from the feed store and as much as I adore them, the more I read the more worried I am. The lady at the store kept assuring me that all I needed to worry abt was making sure that they had water. I live in Tampa, Florida where it is warm and the woman at the store told me that I did not need a heat light. I am keeping them in a large cardboard box on our sunroom/porch. If the temps are 84/72 is it true that I do not need a heat light? I don't want them to be too cold! They are all laying together right now but I figured it was because they are sleeping?