Could I have just missed the peak overnight?

Question

I was wondering if it was possible to have missed my "peak" reading overnight while I was sleeping? Can your LH start surging and then just go back down, then back up? Last month I had the same build up,  then 8 hours later my peak.  It was a couple of days later than where I am now which is CD 13. 
Thank you so much for your help with this!!!

Answer

You can see that my peak was at 1:25am on CD 17.

Answer

Hi! I’m new to OPK testing but I will say that I would’ve missed my peak if I hadn’t tested at 1am in the morning a few days ago. I was testing first thing in the AM and another time in the afternoon/early evening but they were always negative. A few days ago, I got home after a wedding and tested randomly and sure enough, it was my peak. I will attach a photo, you can see, my test about 5 hours later, was no longer positive, but close.

Answer

When I say a couple of days I mean I recieved my build up and peak on CD 15. Thank you again for your advice!

Could I have just missed the peak overnight?

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