I was similar, irregular cramps from 3 pm Thursday, bloody show 11pm, irregular cramps overnight, waters broke 6am Friday, went to hosp 6pm Friday and had DS 8am Saturday.
So excited for you but I think sleep as much as you can! I was so glad I slept a little Thursday night as I was awake Friday 6 am until about 9 pm Saturday!!
Good luck and labour vibes for you