We have a Silkie "couple", 4 Rhode Island Red hens and 2 mixed chicks who are in an outdoor pen in southern Ontario. The pen is south facing and built up against a stone house safe from the wind. Winters get pretty cold here, as low as -20 C sometimes, so we have a heat lamp in each coop and a heater below their water. We are keeping an eye out for too much moisture in the coops and we have thermometers in each coop to monitor the temperature. So far, the coops haven't gone below 10C and from my reseacrh it looks like they'll all be fine as long as we keep them from going below 0 C. My question is: Does it bother the hens or the rooster that there is a heat light on in the coop all the time? We tried covering the cage of the lamp with tinfoil but it's still quite light in there! We have heard the rooster crowing at midnight. Is this a problem? Will it affect their health? Thanks so much