Which temp should I use for this morning?

S

I’m not the best sleeper and this morning I woke up at 4am and took my temp then before getting up to use the bathroom. (I had also woke up at midnight). It was 97.7. Then I ended up falling back to sleep probably around 5 and slept until 7:30 and I decided to take my temp again and it was 98.3.... which temperature should I use for today?