Constantly tired

Currently 39+2 and I'm so ready to just go into labor. I only have 2 more days of work before I take off for my maternity leave (I was planning on working until I went into labor, but if I want 3 months off I need to start it now). After work I spend my time chasing/playing with my son and cleaning the house. At night I get maybe 2-3 hours of sleep then the insomnia hits after midnight and I don't fall back asleep until 4am. My husband wakes up at 5:30am for work and that is when my day starts again. I just want 1 night of sleep where I wake up to pee but then go right back to sleep