5 month old waking up all night

Omg. I’m soooo tired. My baby was such a good sleeper up until 4 months. She’s now 5 months and a week and sleeping is as bad as ever. She wakes up at least 6-8 times a night. I go to her room and give her her paci, pat her and then she goes back to sleep. I’m not sleeping because it’s so interrupted. What can I do 😭 she’s my third and my first two never did this