advice please

I had my baby girl 11weeks ago. For a while now things have just been so hard. I'm just so tired. I hate myself so much. I'm trying so hard to be a good mom and I still don't feel good enough. I sleep maybe 2 hours because I'm watching her sleep and making sure she's breathing. I just woke up lately I just don't feel like waking up anymore if it was for her I would not be here right now. I hate myself and my body so much. I'm just so overwhelmed with life. Any ftm feel like this? Or is it just me?