Thank you, Ten Chicks. Turns out she was broody. I didn't realize it was one of those things where she could be normal one day and crazed the next. I didn't really do that much for her besides oyster shell in everyone's food. I saw a bunch of different things on You Tube, but all I did was...
I don't think she's broody. She has been laying for 10 months or so and has never been. And she has never roosted on the ground, refused to come out of the coop or turned down sunflower seeds.
My Plymouth Rock hen is acting the same way as described in some of these posts. I didn't get eggs from any of my girls two days this week. This never happens, so I figured they layed them somewhere else (they free range during the day). My Rock went in the coop like she was going to lay...