I have been working the 7p-7a shift and like you I have kids that get off the bus at 3:30. Normally, I only sleep about six hours. I have slept like that for as long as I can remember though. Even when I had a dayshift job, I would go to be at like 11p and get up at 4a. But honestly, I am a night owl so that helps too. You will eventually get used to it, it just takes time. And hey, look at it this way, nights like tonight, you can talk to people online. And the coffee and amp energy drinks work too.