Ok? Help

Kendra

I am using a BBT thermometer my question is, I get up 1-2 time's a night to go to the bathroom during the week I wake up at 6 am to get my son up for school that's when I normally take my temp but sometimes I end up sleeping in on the weekend till 8-9. and sometimes I forget to take it when I get my son up but I always go back to bed until 8-9 is this BBT worth my time?