10.5/11 week growth spurt?

So I know babies are supposed to have a 12 week growth spurt however starting Thursday my son has stopped sleeping his long night stretches. He’s back to waking every 2/3 hours to eat and fuss. He also is eating every 1.5/2 hours during the day again 🤦🏻‍♀️ has anyone else had this happen at this time? I start work in a week and I want to get him back to sleeping well before he has to be at day care because I don’t know how he’ll sleep during the day there.