Okay mommys help! My LO is 7 months old an has always been good about going to sleep an if she wakes up I will latch her…

Okay mommys help! My LO is 7 months old an has always been good about going to sleep an if she wakes up I will latch her an she goes right back to sleep (yes we co-sleep). Well last night an tonight she will wake up an latch but after a few minutes she will start screaming an wake up. Last night I did start giving her baby food when we eat dinner instead of in the morning, idk if that's the problem. But she also has been coughing an tonight she threw up twice. Idk what's going on I've never had this problem with her. An she hasn't been napping that good either. 😩😁😢😴