Faint positive

Sam • Mumma to 4 😘

So last night at 10 pm I took a pregnancy test and it come up faint positive , today I took one round 2pm and it was negative from what I can see then tonight I took another after work around 10 and again faint positive but this time darker but still faint anyone know why I’m getting faint positives at night and negative during the day will test again with first morning urine