4 month sleep regression

Tatiana🇨🇷♈️💍🇩🇴♏️ • Happily Married. 💏 👰🏽 12.19.08 💙 07.10.16 💓 02.29.20 💙 🐸 🤱🏽BreastMILK is best 🚫 formula

My baby will be 4 months on Monday . What should I expect? Cat naps? sleeping for 45 minutes? How has everyone’s experience been?