I am unfocused unmotivated and late for everything?

I never accomplish anything. I can't even keep track of a conversation cuz I space out all the time. I have always had trouble being on time or getting things done,but my mom did everything for me when I was a kid. The older I get the worse I get. I have have six kids, my three oldest kids and their dad have to do everything because i am so scatterbrained and forget the other kids at school forget I have food in the oven. i mean to clean the house but I get overwhelmed I end up watching bad tv and updating fb. I wanna be a good mom and wife not stress my husband and kids out so much.