It could be wind in tumm or she is feeling cold thus the cuddling and your body warms her or she is growing and they are changing cycle...mood swings, etc...first thing first, get her checked by a paeditrician then move down your list until you find the source of the problem...also check your baby for any red spots or rashes...it could be bed bugs
It might be sleep regression. It will pass. Don’t give up mama!
Probably a phase as baby is growing
Can ask doctor for probiotics
Should be growth sprut.
Check is it colic
Check if teething