Six hens--7 months. We've been getting 4-6 eggs a day--usually 36 a week. We decided to add supplemental light--just two strands of Christmas lights to make their day at least 13-14 hours long. It's very soft--I even have to turn on the other bulb in there to clean. Plus--our coop is a bubble in a large barn so it's dark for a long time because there are no windows. It's open all around the top--but the lights are off in the barn all day. The light helps them know it's really day . That's been happening for a month. Suddenly there were 2 eggs, then 4, then 2, then 3. We did make a change in their door to the run--just added a rod so the wind can't get in so easily. They adjusted to that well. And a week later we put up two tarps on the outside of their run--just where the door is to help with cold wind when it starts. I also recently changed the nest box cushion--same stuff, just fresh. No one poops in them, but I wanted to pamper them. lol It's soft hay, shavings and herbs--bay leaves and lavender. All these things happened within two weeks. Very small changes to me--but maybe not to the hens? They have always laid eggs in every box, but now only lay in the middle one. Ideas? Suggestions?