These contractions hurt 😭 they keep coming back to back since 830 but I was just at the er last…

These contractions hurt 😭 they keep coming back to back since 830 but I was just at the er last night and they said my cervix was closed and me and hubby had sex this morning and since then I've been having non stop contractions coming like every 5 mins and they hurt but idk can ur cervix open overnight or what comment please cus idk what to do . And I don't know how to really time them