Shift work is hard. Shift work when you're a single mom must be insane.

I'm glad your mom can watch him. Hopefully you don't find it too exhausting. Maybe you'll be tired enough to sleep, even if it is daylight.
Let us know how it goes at the speech doc. Once the other doc gets the letter, will they be fixing his tongue? Let us know how the diaper biz goes, as well. Good luck!