Baby won't sleep

My 5 week old won't sleep during the day. Naps for 20 min at a time and heaven forbid I set her down. I'm loosing my mind. For the first time PP I feel like I might cry. This is so frustrating I hate not being able to even take a freaking shower if I need to. I am ready to go back to work that's for sure. Sorry for the post I just needed to voice my frustrations. I feel like a bad mom.