First time mom .....newborn eating

Essence

I just had my daughter two days ago when she was born everything was fine .....perfect , i breast fed her the first night in the hospital and we were released the next day ....when we went home that night I nursed her ......the problem is up until the middle of the night early morning she stopped taking the nipple I’ve tried positioning her comfortable and even putting the nipple in while crying I tried walking around with her while trying as well .....after not being successful at then I then tried giving her a bottle and she wouldn’t eat that either ....I tried using the breast pump to see if anything would’ve came out and NOTHING......any tips ,tricks or suggestions for a First time mom ???