Rant...SO related..need advice

So the fight is tonight. SO wants to go watch it with his friends. Leaving me at home with Our twin boys through the night. I feel it's unfair in with them all day alone at night his help is the only way I manage to get a few hours of sleep now he wants to take that away from me to watch the fight. He works 6 days a week so I'm home with kids alone everyday except Sunday. My mom helps out but ultimately it's our kids not hers. Now i understand he wants to be with his friends but at the same time it's like I have put hanging out With friends on hold amongst other things for our boys. Why can't he? Am I overreacting ladies??