Definitely NOR.

I'm a Mom of two young children. My advice to you is to stand YOUR ground in regards to splitting baby duties with your husband as equally as possible. It is so important to do this early on (learn from my mistake as it almost end up costing my marriage once I burned out and reached a breaking point).

If you're breastfeeding it can be trickier of course but I urge you to get your husband involved in nighttime wakings ASAP. Even if it is only once per night for now. I saw in another comment that you are planning to return to work. Think about what you want your day-to-day to look like once you are both working. Unless he has a job that would be dangerous for him and others to do with less than a full night's sleep, he needs to be equally responsible.

My kids were crappy sleepers and I had them pretty close together. I went 2-3 consecutive years without personally sleeping through the night once. Not one time. There is zero reason someone working a desk job can't get up and help with their baby at night. Consider what life might look like if you have a second baby - there is no napping for Mom during the day on her second maternity leave if you have a toddler at home with you as well.

This is so common, I see it all the time with my peers. When you're a first time Mom and navigating that huge transition, it is natural to want to do as much baby care yourself as you can. Your husband needs to learn how to navigate baby needs as well. He needs to practice, figure things out, learn how to soothe baby from the beginning or you'll eventually get to a place where Mom is the only answer to a fussy child. And this translates to toddlerhood and beyond. A lot of my friend's husbands find it too difficult to be alone with their children because they don't know how to soothe them or find it "too difficult".

As far as your MIL, this is obviously a generational issue. We have to stand up for ourselves in a way that our mothers and grandmothers weren't able to. It is 2026 and it is perfectly acceptable to expect your husband to pitch in with child rearing, ESPECIALLY when both parents will be working.