I feel like I'm going to lose my mind. just cause my SO was off today he thinks we can party till…

I feel like I'm going to lose my mind. just cause my SO was off today he thinks we can party till 2am. my baby has not slept at all I've been up since 8am and he woke up again at 10am..I'm running off 2 hours of sleep..its been like this the last few nights, this lack of sleep is starting to make me sick.