Made the mistake of taking 2 tests

So with first morning urine I got a super faint line, went straight out to buy a better brand test that is apparently more sensitive and took as soon as I got home (as you do) and not even a whisper of a line 😩

I thought with its being more sensitive I wouldn’t have to use first morning urine or could that be why it was negative as it wasn’t even 4 hours between going to the bathroom?

Oh this is going to be the longest day and night. Any one experienced this? Help much appreciated