My hen laid 3 eggs in a day

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I have a NN who is 16 weeks today and laid 3 eggs within 1/2 hour I was able to witness this so I know it was not any other hen. For the past 4 days she has been very loud and talkative going from coop to coop, this afternoon I went out to give snacks she was no where in sight and she is the 1st to normally come running, I went to her coop and she was extremely talkative but wouldn’t come out, finally she came out I looked and 1 egg she went back in came out 2 eggs and then again same thing and now we have 3 This can not be normal.

I just had one lay 3 eggs! Must not be common since this was in 2019! I only have one brown layer. Did not have any at 10:00 PM when she went in coop. By 2:00 pm today had 3!!! A few weeks ago she have 2 and had 1 or 2 double yolks a week!