How long does it take to get your energy back after you deliver? I've been feeling so…

How long does it take to get your energy back after you deliver? I've been feeling so blah/exhausted/tired lately like I literally have nothing left. Scares me makes me wonder how I'll keep the house clean, laundry done, food made & take care of my baby. I just feel like I want to sleep for 5 months :(