Question to moms with more than one child: how many hours do you sleep?

I have a 3 and 1 year old. Between doing all the chores in the house and taking care of both of them I’m always exhausted. My husband works 12 hr shifts and does heavy manual labor so I don’t ask him for help bc he works so hard. I get 2 hrs on avg of sleep per night. I put both of my kids to bed by 9. My husband also goes to bed around that time since he gets up at 5am for work. After I put my kids to bed I finish cleaning up and do some laundry (we have a very small washer/dryer combo that takes 3 loads to do 1 load in a regular washer which means I’m constantly doing laundry 15+ hrs per day as it takes longer). By the time I finish straightening up and shower it’s around 11. I’ll lay down and can’t sleep. I’ll drift off at some point but wake up around 1 bc that’s when my 1yr old wakes up. My kids are in the same room. My 3yr old gets nightmares sometimes but is also a loud sleep talker in general so one of my kids is always waking up the other throughout the night and I’m constantly going from my room to theirs to put one of them back to bed. Majority of the time I bring the baby to my bed so she doesn’t wake up my older one. I’ll finally start to drift off again and then my husbands alarm goes off so he can start getting ready for work. If I’m lucky I’ll get about 30 min of sleep bc my kids both wake up around 7. They do nap in the afternoon but I cook while they’re napping bc otherwise they don’t give me a chance. My younger one is extremely clingy and is always hugging my legs. I need advice and I need sleep bc it’s affecting my health. Help!

My husband is extremely ocd and hates clutter and a dirty house. So I have to mop and do dishes daily. I can’t leave dishes in the sink for the morning. Laundry has to get done daily 3-4 loads per day (towels, sheets, my clothes, my husbands especially his work clothes, kids clothes) if I don’t do laundry for a day then it snowballs.

Edit: we live in a small 2 bedroom apt and our rooms are next to each other. I have a white noise machine in their room and run a fan also. My 3 year olds sleep talking isn’t at normal speaking volume. She’s very loud and animated. I try cosleeping with them but my older one tosses and turns too much so when we do sleep in the same bed I’m constantly moving her bc she goes sideways and punches and kicks. It’s also either the 3 of us (me and the kids) in their room in a twin bed or if I put them in mine which is a queen I have to watch my husband bc he also tosses and turns and I get worried he’s going to knock one of the kids out. He can’t sleep on the twin, we tried that too but he’s too big. I try to cook every other day so I get a break from that and I do use a pressure cooker. I think my girls and just too clingy and attached to me and I don’t know how to break them from that. My younger one isn’t an issue when it comes to falling asleep, she’s out within 5 min if I lay down next to her which is a blessing. My older one can take up to an hour or more to fall asleep and that requires me to lay next to her so she can twirl my hair and suck her thumb. She can’t fall asleep unless we do that. She starts to get bad separation anxiety and will for sure have a night terror.