When I took a class on Family Living way back in the dark ages the teacher said that the hardest working person on earth was the mother of young children so ... that's you.
I work from 7 AM until 4 PM Monday - Friday then start my second job from 4:00 - almost 8 PM 4 days a week. On the weekends we have our 5-year-old grandson 2 weekends each month and the 4-year old grandson about one weekend each month. So ... busy, but I still have some down time in there. I sew an hour or two each night and go to bed between 11 and midnight. Of course, there are days I don't sew a stitch - just too tired.
I have also learned that I don't need a big stretch of time to get things done - even a few minutes here and there make baby steps towards a finished project.
This phase of your life will be over sooner than you can imagine. I blinked and ...