Sometimes it seems that newly laying pullets lay eggs like Native Americans planted corn. You know, one for the black bird, one for the crow, one for the cutworm. and one to grow into a chicken. Do remember however that hens if kept in a mostly natural manner prefer too lay on or at least near the ground. Hens in nature lay large clutches of eggs before incubation begins. Fifteen or more eggs is a typical clutch. If all her eggs were laid in a tree top nest like your hen was for instance a Jay Bird, few of her eggs would ever hatch.
If for instance your coop and nests have a heavy investigation of Red or nighttime blood sucking mites, then it is possible that hens won't even sleep on your roost poles or even inside the coop. A disposable pail with diesel fuel or used motor oil with a healthy shot of Pyrethrum added and a paint brush to paint this on the interior of your coop or pen will kill Red Mites in the places where they live, sleep, noon, and reproduce and do so for a very long time. The idea is not to kill these mites per say, but to deny them a home in the first place. This is the old "An ounce of prevention is worth a pound of cure" doctrine.
If your boxes are as high or higher than your roost poles you're going to have more trouble with hens sleeping in your boxes. At least that is how I see it.
