When does the nesting start..34 weeks now 🙄

I’m 34 weeks pregnant and I have No energy or feels like! I still have to do the baby room all I have done is the crib , we still have to buy a mattress and everything but that’s all we have. I need to get our house organized I also have a 3 year old, so when does the nesting start cause right now I have no energy to do anything lol