Over feeding

Samantha • 21 🎈| first baby 👼 | gender to come 💙💜
So my 8 day old seens to always be suckling on either her fingers her bibs Pacifier you name it she will suckle it she can. I topped her formuka up and now its naking her sick so i thought id go back to bresst and top her up with formula. But now she justseems so unhapoy amd doesnt sleep. Any tips on what to do?