How Can I Help My Newborn Sleep and Manage My Pain?

Okay mommies please PLEASE some help. Ive only gotten 4-6 hours the past three-four nights. my daughter is 2 days old and we got discharged this morning.
She slept perfectly but now oh nopers. get face gets red and she screams like screams a scream i never heard until i get a passi in her mouth. and when she sleeps she drops it and freaks out. She will sleep perfectly fine on me me but I'm so tired im scared ill fall asleep on her. my stitches are killing me nothing is working with the pain and this getting up and down is really REALLY taking a toll on me. So anyone please