Contraction timer. What does this mean? I’m still tracking

Currently 39+5 (due date Friday) It’s been going on ALL night, I haven’t slept a minute. I finally decided to start timing in the morning. This is my third or 4th time timing today and it’s been consistent with all the other times

*to add I have stopped the timer a little early while contracting a few times on accident give or take 5-15 seconds

Earlier:

Now: